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Chester County (
Pennsylvania Dutch The Pennsylvania Dutch ( Pennsylvania Dutch: ), also known as Pennsylvania Germans, are a cultural group formed by German immigrants who settled in Pennsylvania during the 17th, 18th and 19th centuries. They emigrated primarily from German-spe ...
: ''Tscheschter Kaundi''), colloquially known as Chesco, is a
county A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
in the
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
of
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
. It is located in the
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
region of the state. As of the 2020 census, the population was 534,413, increasing by 7.1% from 498,886 in
2010 File:2010 Events Collage New.png, From top left, clockwise: The 2010 Chile earthquake was one of the strongest recorded in history; The Eruption of Eyjafjallajökull in Iceland disrupts air travel in Europe; A scene from the opening ceremony of ...
. The
county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US st ...
and most populated municipality is West Chester. Chester County was one of the three original Pennsylvania counties created by
William Penn William Penn ( – ) was an English writer and religious thinker belonging to the Religious Society of Friends (Quakers), and founder of the Province of Pennsylvania, a North American colony of England. He was an early advocate of democracy a ...
in 1682. It was named for
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
,
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
. Chester County is part of the
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
- Camden- Wilmington, PA- NJ- DE- MD
Metropolitan Statistical Area In the United States, a metropolitan statistical area (MSA) is a geographical region with a relatively high population density at its core and close economic ties throughout the area. Such regions are neither legally Incorporated town, incorporate ...
. Eastern Chester County is home to many communities that comprise part of the
Philadelphia Main Line The Philadelphia Main Line, known simply as the Main Line, is an informally delineated historical and social region of suburban Philadelphia, Pennsylvania. Lying along the former Pennsylvania Railroad's once prestigious Main Line, it runs no ...
western suburbs outside of Philadelphia, while part of its southernmost portion is considered suburban Wilmington, along with southwest Delaware County.


History

Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
, Bucks, and Chester were the three Pennsylvania counties initially created by
William Penn William Penn ( – ) was an English writer and religious thinker belonging to the Religious Society of Friends (Quakers), and founder of the Province of Pennsylvania, a North American colony of England. He was an early advocate of democracy a ...
on August 24, 1682. At that time, Chester County's borders were Philadelphia County to the north, the ill-defined western edge of the colony (approximately the
Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...
) to the west, the
Delaware River The Delaware River is a major river in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. From the meeting of its branches in Hancock (village), New York, Hancock, New York, the river flows for along the borders of N ...
to the east, and
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent Del ...
and
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
to the south. Chester County replaced the Pennsylvania portion of
New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the East Coast of the United States, east coast of what is now the United States. The claimed territor ...
/
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
’s "Upland", which was officially eliminated when Pennsylvania was chartered on March 4, 1681, but did not cease to exist until June of that year. Much of the Welsh Tract was in eastern Chester County, and Welsh place names, given by early settlers, continue to predominate there. The fourth county in the state, Lancaster County, was formed from Chester County on May 10, 1729. On March 11, 1752,
Berks County Berks County ( Pennsylvania German: ''Barricks Kaundi'') is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 428,849. The county seat is Reading. The Schuylkill River, a tributary of the Delaware River ...
was formed from the northern section of Chester County, as well as parts of Lancaster and Philadelphia counties. The original Chester County seat was the City of
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
, a center of naval shipbuilding, at the eastern edge of the county. In an effort to accommodate the increased population of the western part of the county, the county seat was moved to a more central location in 1788; in order to mollify the eastern portion of the county, the village, known as Turk's Head, was renamed West Chester. In response to the new location of the county seat, the eastern portion of the county separated and formed the new Delaware County in 1789 with the City of
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
as its county seat. Much of the history of Chester County arises from its location between Philadelphia and the
Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...
. The first road to "the West" (meaning Lancaster County) passed through the central part of Chester County, following the Great Valley westward; with some re-alignments, it became the
Lincoln Highway The Lincoln Highway is the first transcontinental highway in the United States and one of the first highways designed expressly for automobiles. Conceived in 1912 by Indiana entrepreneur Carl G. Fisher, and formally dedicated October 31, 1913 ...
and later
U.S. Route 30 U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route in the system of the United States Numbered Highways, with the highway traveling across the northern tier of the country. With a length of , it is the third longest ...
. This road is still named Lancaster Avenue in most of the Chester County towns it runs through. The first railroad (which became the
Pennsylvania Railroad The Pennsylvania Railroad (reporting mark PRR), legal name The Pennsylvania Railroad Company also known as the "Pennsy", was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. It was named ...
) followed much the same route, and the
Reading Railroad The Reading Company ( ) was a Philadelphia-headquartered railroad that provided passenger and commercial rail transport in eastern Pennsylvania and neighboring states that operated from 1924 until its 1976 acquisition by Conrail. Commonly calle ...
progressed up the
Schuylkill River The Schuylkill River ( , ) is a river running northwest to southeast in eastern Pennsylvania. The river was improved by navigations into the Schuylkill Canal, and several of its tributaries drain major parts of Pennsylvania's Coal Region. It fl ...
to
Reading Reading is the process of taking in the sense or meaning of Letter (alphabet), letters, symbols, etc., especially by Visual perception, sight or Somatosensory system, touch. For educators and researchers, reading is a multifaceted process invo ...
. Industry tended to concentrate along the rail lines. Easy transportation allowed workers to commute to urban jobs, and the rise of the suburbs followed. To this day, the developed areas form "fingers" extending along major lines of transportation. During the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
, the
Battle of Brandywine The Battle of Brandywine, also known as the Battle of Brandywine Creek, was fought between the American Continental Army of General George Washington and the British Army of General Sir William Howe on September 11, 1777, as part of the Ame ...
was fought at what is now the southeastern fringe of the county. The
Valley Forge Valley Forge functioned as the third of eight winter encampments for the Continental Army's main body, commanded by General George Washington, during the American Revolutionary War. In September 1777, Congress fled Philadelphia to escape the B ...
encampment was at the northeastern edge.


Geography

According to the
U.S. Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...
, the county has a total area of , of which is land and (1.1%) is water. The topography consists of rolling hills and valleys and it is part of the region known as the
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
. Watersheds that serve Chester County include the Octoraro, the
Brandywine Brandywine may refer to: Food and drink *Brandy, a spirit produced by distilling wine *Brandywine tomato, a variety of heirloom tomato Geographic locations Canada * Brandywine Falls Provincial Park, British Columbia * Brandywine Mountain, British ...
, and
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
creeks, and the
Schuylkill River The Schuylkill River ( , ) is a river running northwest to southeast in eastern Pennsylvania. The river was improved by navigations into the Schuylkill Canal, and several of its tributaries drain major parts of Pennsylvania's Coal Region. It fl ...
. Many of the soils are fertile, rich loam as much as twenty-four inches thick; together with the temperate climate, this was long a major agricultural area. Because of its proximity to Philadelphia, Chester County has seen large waves of development over the past half-century due to suburbanization. Although development in Chester County has increased, agriculture is still a major part of the county's economy, and the number of horse farms is increasing in the county. Mushroom growing is a specialty in the southern portion of the county. Elevations (in feet): High point—1020 Welsh Mt., Honeybrook Twp. Other high points—960 Thomas Hill, Warwick Twp; 960 Barren Hill, West Caln Twp. Low point—66 Schuylkill River, Chester-Montgomery county line. Cities and boroughs: Coatesville 314; Downingtown 255; Kennett Square 300; Oxford 535; Parkesburg 542; Phoenixville 127; Spring City 114; West Chester 459.


Adjacent counties

*
Berks County Berks County ( Pennsylvania German: ''Barricks Kaundi'') is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 428,849. The county seat is Reading. The Schuylkill River, a tributary of the Delaware River ...
(north) * Montgomery County (northeast) * Delaware County (east) *
New Castle County, Delaware New Castle County is the northernmost of the three counties of the U.S. state of Delaware (New Castle, Kent, and Sussex). As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with nearly 60% of the ...
(southeast) *
Cecil County, Maryland Cecil County () is a county located in the U.S. state of Maryland at the northeastern corner of the state, bordering both Pennsylvania and Delaware. As of the 2020 census, the population was 103,725. The county seat is Elkton. The county was n ...
(south) * Lancaster County (west)


National protected area

*
Valley Forge National Historical Park Valley Forge National Historical Park is the site of the third winter encampment of the Continental Army during the American Revolutionary War, taking place from December 19, 1777, to June 19, 1778. The National Park Service preserves the site a ...
(part)


State protected areas

*
French Creek State Park French Creek State Park is a Pennsylvania state park in North Coventry and Warwick Townships in Chester County and Robeson and Union Townships in Berks County, Pennsylvania. It straddles northern Chester County and southern Berks County along ...
*
Marsh Creek State Park Marsh Creek State Park is a Pennsylvania state park in Upper Uwchlan and Wallace Townships, Chester County, Pennsylvania in the United States. The park is the location of the man-made Marsh Creek Lake. With an average depth of 40 feet (73 f ...
*
White Clay Creek Preserve White Clay Creek Preserve is a Pennsylvania state park along the valley of White Clay Creek in London Britain Township in Chester County, Pennsylvania in the United States. The park was donated by the DuPont Company in 1984 for the purpose of ...


Major roads and highways

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *


Economy and environment

Lanchester Landfill, located on the border of Chester and Lancaster Counties, captures
methane Methane ( , ) is a chemical compound with the chemical formula (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The relative abundance of methane on Eart ...
which is sold for
renewable natural gas Renewable natural gas (RNG), also known as sustainable natural gas (SNG) or biomethane, is a biogas which has been upgraded to a quality similar to fossil natural gas and having a methane concentration of 90% or greater. By increasing the concentr ...
credits, and piped to seven local businesses. This reduces the county's
methane emissions Increasing methane emissions are a major contributor to the rising concentration of greenhouse gases in Earth's atmosphere, and are responsible for up to one-third of near-term global heating. During 2019, about 60% (360 million tons) of methane r ...
, and provides an alternative to
fracking Fracking (also known as hydraulic fracturing, hydrofracturing, or hydrofracking) is a well stimulation technique involving the fracturing of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "frack ...
for
shale gas Shale gas is an unconventional natural gas that is found trapped within shale formations. Since the 1990s a combination of horizontal drilling and hydraulic fracturing has made large volumes of shale gas more economical to produce, and some a ...
. In addition, several companies have their headquarters or a major presence in the county including
Bentley Systems Bentley Systems, Incorporated is an American-based software development company that develops, manufactures, licenses, sells and supports computer software and services for the design, construction, and operation of infrastructure. The company' ...
, EBS Healthcare,
Main Line Health Main Line Health (MLH) is a not-for-profit health system serving portions of Philadelphia and its western suburbs. It includes four acute care hospitals— Lankenau Medical Center, Bryn Mawr Hospital Bryn Mawr Hospital, part of Main Line Heal ...
,
Lavazza Luigi Lavazza S.p.A. (), shortened and stylized as LAVAZZA, is an Italian manufacturer of coffee products. Founded in Turin in 1895 by Luigi Lavazza, it was initially run from a small grocery store at Via San Tommaso 10. The business (Italian: ...
North America (formerly Mars Drinks),
Depuy DePuy Synthes () is a franchise of orthopaedic and neurosurgery companies. Acquired by Johnson & Johnson in 1998, its companies form part of the Johnson & Johnson Medical Devices group. DePuy develops and markets products under the Codman, DePuy ...
Synthes (part of
Johnson & Johnson Johnson & Johnson (J&J) is an American multinational corporation founded in 1886 that develops medical devices, pharmaceuticals, and consumer packaged goods. Its common stock is a component of the Dow Jones Industrial Average and the company i ...
), Metabo,
QVC QVC (short for "Quality Value Convenience") is an American free-to-air television network, and flagship shopping channel specializing in televised home shopping, owned by Qurate Retail Group. Founded in 1986 by Joseph Segel in West Chester, Pen ...
, Hankin Group,
Axalta Coating Systems Axalta Coating Systems, Ltd., also known as simply Axalta, is an American company specializing in coatings in a wide variety of industrial applications, materials and sectors, such as for example automotive paints. The company is based in Philad ...
, CTDI,
Pactiv Pactiv is a manufacturer and distributor of food packaging and foodservice products, supplying packers, processors, supermarkets, restaurants, institutions and foodservice outlets across North America. History Pactiv’s roots stretch back to 195 ...
,
Ricoh is a Japanese multinational imaging and electronics company (law), company. It was founded by the now-defunct commercial division of the Riken, Institute of Physical and Chemical Research (Riken) known as the ''Riken concern (business), Concer ...
Americas,
Blinding Edge Pictures Blinding Edge Pictures is an American film production company, founded on August 2, 1998 by M. Night Shyamalan, which is known for producing films written and directed by Shyamalan like '' Unbreakable'', '' Signs'', '' The Village'', '' The Happen ...
,
AmerisourceBergen AmerisourceBergen Corporation is an American drug wholesale company that was formed by the merger of Bergen Brunswig and AmeriSource in 2001. They provide drug distribution and consulting related to medical business operations and patient se ...
,
J.G. Wentworth The J.G. Wentworth Company is an American financial services company that purchases structured settlements, Annuity (US financial products), annuities, and lottery payments in exchange for a lump-sum cash settlement. They also offer debt counseli ...
,
The Vanguard Group The Vanguard Group, Inc. is an American registered investment advisor based in Malvern, Pennsylvania, with about $7 trillion in global assets under management, as of January 13, 2021. It is the largest provider of mutual funds and the second-lar ...
, and
Victory Brewing Company Victory Brewing Company (Victory) is a brewery founded in 1996 in Downingtown, Pennsylvania, United States. The main brands are HopDevil, Prima Pils, Headwaters Pale Ale, Golden Monkey, DirtWolf, and Storm King, which are distributed in 34 sta ...
among others.


Demographics

As of the 2010 census, the county was 82.1% White Non-Hispanic, 6.1% Black or African American, 0.2% Native American or Alaskan Native, 3.9% Asian, 0.0% Native Hawaiian, 1.8% were two or more races, and 2.4% were some other race. 6.5% of the population were Hispanic or Latino. As of the
census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses incl ...
of 2000, there were 433,501 people, 157,905 households, and 113,375 families residing in the county. The population density was . There were 163,773 housing units at an average density of 217 per square mile (84/km2). The racial makeup of the county was 89.21%
White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White on ...
, 6.24%
Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white have o ...
or
African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...
, 0.15% Native American, 1.95%
Asian Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...
, 0.03%
Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe the original p ...
, 1.35% from
other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...
, and 1.06% from two or more races. 3.72% of the population were
Hispanic The term ''Hispanic'' ( es, hispano) refers to people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to Vic ...
or
Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...
of any race. 18.0% were of
Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...
, 17.3%
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...
, 13.1%
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
, 10.1%
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...
and 5.6%
American ancestry American ancestry refers to people in the United States who self-identify their ancestral origin or descent as "American," rather than the more common officially recognized racial and ethnic groups that make up the bulk of the American peop ...
. 91.4% spoke
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...
and 3.7%
Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Cana ...
as their first language. There were 157,905 households, out of which 35.10% had children under the age of 18 living with them, 60.50% were
married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between t ...
living together, 8.10% had a female householder with no husband present, and 28.20% were non-families. 22.60% of all households were made up of individuals, and 7.60% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.15. In the county, the population was spread out, with 26.20% under the age of 18, 7.90% from 18 to 24, 30.40% from 25 to 44, 23.80% from 45 to 64, and 11.70% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 96.40 males. For every 100 females age 18 and over, there were 93.10 males. The median income for a household in the county was $65,295, and the median income for a family was $76,916 (these figures had risen to $80,818 and $97,894 respectively as of a 2007 estimate). Males had a median income of $51,223 versus $34,854 for females. The
per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...
for the county was $31,627. About 3.10% of families and 5.20% of the population were below the
poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...
, including 5.10% of those under age 18 and 5.50% of those age 65 or over. The region was originally occupied by the Lenni
Lenape The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory includ ...
people, who greeted European settlers in the seventeenth century with amity and kindness. British settlers were mostly English, Scotch-Irish and Welsh in ethnicity. From the late 19th to early 20th century, the industrial areas of the region, such as Coatesville, attracted immigrants and job seekers from Germany and Ireland, Eastern Europe, Italy, and the American rural South, with both black and white migrants coming north. Later Hispanic immigrants have included Puerto Ricans and, most recently, Mexicans. Long a primarily rural area, Chester County is now the fastest-growing county in the Delaware Valley; it is one of the fastest growing in the entire Northeastern section of the United States.


Religion

In keeping with its colonial history, Chester County is home to a number of historic
Quaker Quakers are people who belong to a historically Protestant Christian set of Christian denomination, denominations known formally as the Religious Society of Friends. Members of these movements ("theFriends") are generally united by a belie ...
buildings, including
Birmingham Birmingham ( ) is a city and metropolitan borough in the metropolitan county of West Midlands in England. It is the second-largest city in the United Kingdom with a population of 1.145 million in the city proper, 2.92 million in the West ...
, Birmingham Orthodox,
Bradford Bradford is a city and the administrative centre of the City of Bradford district in West Yorkshire, England. The city is in the Pennines' eastern foothills on the banks of the Bradford Beck. Bradford had a population of 349,561 at the 2011 ...
, Caln, Old Kennett, Parkersville,
Westtown West Town or Westtown may refer to any of the following places. United Kingdom *West Town, Peterborough in Cambridgeshire *West Town, Hayling Island in Hampshire *West Town, Backwell in North Somerset United States *West Town, Chicago in Illinois ...
, and Uwchlan
meeting house A meeting house (meetinghouse, meeting-house) is a building where religious and sometimes public meetings take place. Terminology Nonconformist Protestant denominations distinguish between a * church, which is a body of people who believe in Chr ...
s. Other historic religious buildings include St. Malachi Church, southeastern Pennsylvania's oldest active
Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
mission Mission (from Latin ''missio'' "the act of sending out") may refer to: Organised activities Religion *Christian mission, an organized effort to spread Christianity *Mission (LDS Church), an administrative area of The Church of Jesus Christ of ...
church, and the Episcopal St. Mary's, St. Paul's, and St. Peter's churches, and
Washington Memorial Chapel Washington Memorial Chapel — located on Pennsylvania Route 23 in Valley Forge National Historical Park — is both a national memorial dedicated to General George Washington and an active Episcopal parish in Valley Forge, Pennsylvania ...
. Also located in the county are the
First Presbyterian Church of West Chester First Presbyterian Church of West Chester is a historic Presbyterianism, Presbyterian church (building), church located at 130 W. Miner Street in West Chester, Pennsylvania, West Chester, Chester County, Pennsylvania. It was designed in 1832 by ...
, Coventryville
United Methodist Church The United Methodist Church (UMC) is a worldwide mainline Protestant denomination based in the United States, and a major part of Methodism. In the 19th century, its main predecessor, the Methodist Episcopal Church, was a leader in evangelical ...
, which is part of the Coventryville Historic District, and
Beth Israel Congregation of Chester County Beth Israel Congregation is a Conservative synagogue located at 385 Pottstown Pike ( Route 100) in Upper Uwchlan Township, Chester County, Pennsylvania. It was founded in Coatesville, Pennsylvania in 1904 as Kesher Israel by Eastern European imm ...
, a
Conservative Conservatism is a cultural, social, and political philosophy that seeks to promote and to preserve traditional institutions, practices, and values. The central tenets of conservatism may vary in relation to the culture and civilization i ...
synagogue A synagogue, ', 'house of assembly', or ', "house of prayer"; Yiddish: ''shul'', Ladino: or ' (from synagogue); or ', "community". sometimes referred to as shul, and interchangeably used with the word temple, is a Jewish house of worshi ...
in Coatesville, a site of Eastern European immigration in the 20th century.


2020 Census


Politics


Voter registration

According to the Secretary of State's office, Democrats comprise a plurality of registered voters in Chester County.


Election results

Chester County has historically been reliably Republican at the county level; traditionally, it was the most conservative county in the Philadelphia area. In recent elections, however, it has been trending Democratic, though not as overwhelmingly as the rest of the Philadelphia suburbs. In 2000,
Al Gore Albert Arnold Gore Jr. (born March 31, 1948) is an American politician, businessman, and environmentalist who served as the 45th vice president of the United States from 1993 to 2001 under President Bill Clinton. Gore was the Democratic Part ...
lost it by almost 10 percent, but in 2004
George W. Bush George Walker Bush (born July 6, 1946) is an American politician who served as the 43rd president of the United States from 2001 to 2009. A member of the Republican Party, Bush family, and son of the 41st president George H. W. Bush, he ...
defeated
John Kerry John Forbes Kerry (born December 11, 1943) is an American attorney, politician and diplomat who currently serves as the first United States special presidential envoy for climate. A member of the Forbes family and the Democratic Party (Unite ...
by a much smaller margin of only 4.5 percent. In 2008, Chester County sided with the rest of Pennsylvania and voted for
Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, Obama was the first African-American president of the U ...
by a much larger margin of 9%, making him the first Democrat to carry it in a Presidential election since 1964. But, in 2009, with a smaller turnout, Republican candidates swept all county-row offices, winning with an average margin of 20%. In 2012, the county voted for Republican candidate
Mitt Romney Willard Mitt Romney (born March 12, 1947) is an American politician, businessman, and lawyer serving as the junior United States senator from Utah since January 2019, succeeding Orrin Hatch. He served as the 70th governor of Massachusetts f ...
, by a very small margin of about 500 votes. In 2016, despite Pennsylvania voting for a Republican presidential candidate for the first time since 1988, Chester County voted more Democratic than in 2012, with
Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, diplomat, and former lawyer who served as the 67th United States Secretary of State for President Barack Obama from 2009 to 2013, as a United States sen ...
leading
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of Pe ...
by over 25,000 votes or 9.4 percentage points; a 9.2 percentage point swing from 2012. The only two statewide winners in 2016 to carry Chester County were U.S. Senator
Pat Toomey Patrick Joseph Toomey Jr. (born November 17, 1961) is an American businessman and politician serving as the junior United States senator for Pennsylvania since 2011. A member of the Republican Party, he served three terms as the U.S. representat ...
(R) and Pennsylvania State Treasurer Joe Torsella (D). Republican candidates John Brown and John Rafferty carried Chester County, though both lost their races for Auditor General and Attorney General, respectively (Rafferty, a State Senator whose district includes northern Chester County, carried the county by a slim margin of 50 votes) Emphasizing its Democratic shift even further, Joe Biden defeated Donald Trump by a whopping 17.1 points in Chester County in the 2020 election; Trump's percentage of votes was the lowest for any Republican since 1912. Such a major shift was a major factor in Biden's success of flipping Pennsylvania back to the Democratic column. Democrats have made gains in Chester County state legislative seats in recent elections. Democrat
Andy Dinniman Andrew E. Dinniman (born 1944) is an American politician who served as a Democratic member of the Pennsylvania State Senate for the 19th District from June 2006 until 2020. Early life and education Dinniman was born in New Haven, Connecticut. ...
picked up the 19th Senate District in May 2006 in the special election to replace the late Robert Thompson. Democrat Barbara McIlvaine Smith picked up the open 156th House district in November 2006, winning by 28 votes and tipping the State-House majority to the Democrats. This was the first time that a Democrat had served part of Chester County as State Representative since
Jim Gerlach James W. Gerlach (born February 25, 1955) is the former U.S. Representative for , serving from 2003 to 2015. He is a member of the Republican Party. Gerlach retired from Congress after completing his sixth term. Early life, education and career ...
(who represented much of Chester County for 12 years in Congress) unseated Sam Morris in 1990. In 2008, two more open House seats in the county went Democratic—to Tom Houghton in the 13th and Paul Drucker in the 157th. In 2010, however, Chester County swung back to the GOP, with Republicans Dan Truitt (who defeated McIlvaine Smith),
Warren Kampf Warren Kampf (born May 19, 1967) is an American politician and attorney. He is a member of the Republican Party who served in the Pennsylvania House of Representatives in the 157th District from 2011–2018. State Representative In 2010, he ...
(who defeated Drucker), and John Lawrence (who defeated Houghton) all elected to the State House. On November 8, 2017, Democrats made historic inroads in Chester County by winning their first county row office seats in history, picking up 4 row office seats. On November 5, 2019, Democrats swept countywide row office seat elections and took a majority on the Board of Commissioners, for a first time in county history.


Government


Commissioners

Chester County is administered by a three-person Board of Commissioners, who serve four-year terms. Elections occur in the odd-numbered years that precede U.S. Presidential elections, with the next election falling in 2023. The Commissioners have selective policy-making authority to provide certain local services and facilities on a county-wide basis. Accordingly, the commissioners are responsible for the management of the fiscal and administrative functions of the county. '':''


County row officers

''As of January 3, 2023:''


United States House of Representatives

''As of January 3, 2023:''


United States Senate

''As of January 3, 2023:''


State House of Representatives

''As of January 3, 2023:''


State Senate

''As of January 3, 2023:''


Education


Colleges and universities

*
Cheyney University of Pennsylvania Cheyney University of Pennsylvania is a public historically black university in Cheyney, Pennsylvania. Founded in 1837, it is the oldest university out of all historically black colleges and universities (HBCUs) in the United States. It is a m ...
(partially in Delaware County) *
Delaware County Community College Delaware County Community College (DCCC) is a public community college with campuses and facilities throughout Delaware and Chester Counties in Pennsylvania. DCCC was founded in 1967 and is accredited by the Middle States Commission on Higher ...
(locations in Exton, Downingtown, Phoenixville and West Grove) *
Immaculata University Immaculata University is a private Roman Catholic university in East Whiteland Township, Pennsylvania. It was founded by the Sisters, Servants of the Immaculate Heart of Mary. The university is composed of 1,427 traditional undergraduate and ad ...
* Lincoln University *
Penn State Great Valley Penn State Great Valley School of Graduate Professional Studies is a special mission campus and graduate school of the Pennsylvania State University located in East Whiteland Township, Pennsylvania, near Malvern. Academic programs include engin ...
*
University of Valley Forge The University of Valley Forge (UVF) is a private university in Phoenixville, Pennsylvania, 8.8 miles from Valley Forge National Historical Park. It is affiliated with the Assemblies of God and offers several Bachelors and Masters programs. ...
*
West Chester University of Pennsylvania West Chester University (also known as West Chester, WCU, or WCUPA, and officially as West Chester University of Pennsylvania) is a public research university in and around West Chester, Pennsylvania. The university is accredited by the Middle ...


Public school districts

School districts include: *
Avon Grove School District The Avon Grove School District (AGSD) is a publicly funded, K-12 school district located in Chester County, Pennsylvania, serving over 5,000 students in four schools: Penn London Elementary School (K–2), Avon Grove Intermediate School (3–6), ...
*
Coatesville Area School District The Coatesville Area School District (CASD) covers the City of Coatesville, the Boroughs of Modena and South Coatesville, and Caln Township, East Fallowfield Township, Sadsbury Township, Valley Township, West Brandywine Township and West ...
*
Downingtown Area School District The Downingtown Area School District is a school district based in Downingtown, in Chester County, Pennsylvania, in the United States. The district operates ten elementary schools, three middle schools and three high schools. As of 2018, ...
*
Great Valley School District Great Valley School District is located in southeastern Pennsylvania, in the Philadelphia suburbs, specifically in the Delaware Valley region known as the Philadelphia Main Line, Main Line, in eastern Chester County, Pennsylvania, Chester Coun ...
*
Kennett Consolidated School District The Kennett Consolidated School District (abbreviated as KCSD) is a large, suburban, public school district serving portions of Chester County, Pennsylvania. It is centered on the borough of Kennett Square Kennett Square is a borough in Chest ...
*
Octorara Area School District The Octorara Area School District is a small, rural–urban fringe, public school district serving Parkesburg, Atglen, Christiana, West Sadsbury Township, Sadsbury Township ( Lancaster County), West Fallowfield Township, Highland Townshi ...
* Owen J. Roberts School District * Oxford Area School District *
Phoenixville Area School District The Phoenixville Area School District (PASD) is a public school district headquartered in Phoenixville, Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atl ...
*
Spring-Ford Area School District The Spring-Ford Area School District is a K-12 school district based in Montgomery County, Pennsylvania, Montgomery County, Pennsylvania, United States, which expands into Chester County, Pennsylvania, Chester County. The District is made up of ...
*
Tredyffrin-Easttown School District Tredyffrin/Easttown School District (T/E in short) is a school district based in Tredyffrin Township, Chester County, Pennsylvania. T/E School District serves the townships of Tredyffrin Township and Easttown Township, and is one of the sev ...
*
Twin Valley School District Twin Valley School District (TVSD) is a school district headquartered in Caernarvon Township, Berks County, Pennsylvania, with an Elverson postal address. Profile page- Compare to the addressThe zoning map published by the township Within Berks Co ...
*
Unionville-Chadds Ford School District Unionville-Chadds Ford School District (UCFSD) is a school district in southeastern Chester County and western Delaware County, Pennsylvania, a area encompassing seven townships and serving a total of abpproximately 4,000 students. The dist ...
* West Chester Area School District


Charter schools

* Achievement House Charter School grades 9-12, Exton * Avon Grove Charter School grades K-12, West Grove * Chester County Family Academy Charter School grades K-2, West Chester * Collegium Charter School grades K-12, Exton * Pennsylvania Leadership Charter School K-12, West Chester * Renaissance Academy Charter School grades K-12, Phoenixville * Sankofa Academy Charter School grades 5–8, West Chester * 21st Century Cyber Charter School grades 6-12. Downingtown.


Independent schools

*
Bishop Shanahan High School Bishop Shanahan High School is located in Downingtown, Pennsylvania. It's part of the Archdiocese of Philadelphia's Catholic school system. Named after Right Rev. John W. Shanahan, the third bishop of Harrisburg, the school is the only archdioce ...
(
Archdiocese of Philadelphia The Roman Catholic Metropolitan Archdiocese of Philadelphia is a Latin Church ecclesiastical territory or diocese of the Catholic Church in southeastern Pennsylvania, in the United States. It covers the City and County of Philadelphia as well a ...
) *Center for Arts and Technology (Administered by Chester County Intermediate Unit) * Church Farm School (now called CFS the School at Church Farm) *Delaware Valley Friends School *
Devon Preparatory School Devon Preparatory School is a Catholic all-male college preparatory school in Devon, Pennsylvania, in the United States, founded in 1956 by Piarists. It is divided into a middle school (grades 6–8) and an upper school (grades 9–12), both loca ...
*Fairville Friends School (Chadds Ford, Pennsylvania) *Goshen Friends School (West Chester, Pennsylvania) *Kimberton Waldorf School (Kimberton, Pennsylvania) *London Grove Friends Kindergarten (Kennett Square, Pennsylvania) *
Malvern Preparatory School , motto_translation = Truth, Unity, Love , address = 418 South Warren Avenue , location = , region = , city = Malvern , county = , state = ...
*The Concept School - 6th through 12th Grade *
Upattinas School and Resource Center Upattinas School and Resource Center was a private, non-profit school that served students in kindergarten through twelfth grade, as well as a homeschool resource center. Located in Glenmoore, Pennsylvania, Upattinas was a Democratic school ...
(Glenmoore, Pennsylvania) *Upland Country Day School (UCDS) - Pre-K through 9th Grade *
Villa Maria Academy (Malvern, Pennsylvania) Pennsylvania Association of Independent Schools (PAIS) Villa Maria Academy is an all-girls Catholic college-preparatory high school located in Malvern, Pennsylvania. The school was formed and carried out by the Sisters, Servants of the Immaculate ...
*
Villa Maria Academy Lower School (Immaculata, Pennsylvania) A villa is a type of house that was originally an ancient Roman upper class country house. Since its origins in the Roman villa, the idea and function of a villa have evolved considerably. After the fall of the Roman Republic, villas became s ...
* West-Mont Christian Academy * West Chester Friends School *
West Fallowfield Christian School West Fallowfield Christian School is a Christian school in Atglen, Chester County, Pennsylvania in the United States. It was established in 1941 to partner with Christian families in educating and nurturing their children, giving them a strong a ...
*
Westtown School Westtown School is a Quaker, coeducational, college preparatory day and boarding school for students in pre-kindergarten through twelfth grade, located in West Chester, Pennsylvania, United States, 20 miles west of Philadelphia. Founded in 1799 b ...
*Windsor Christian Academy - K through 6th Grade *Windsor Christian Preschool *Regina Luminis Academy


Libraries

The Chester County Library System in southeastern Pennsylvania was organized in 1965. It is a federated system composed of a District Center Library in Exton and sixteen member libraries. The system provides materials and information for life, work and pleasure.


Communities

Under Pennsylvania law, there are four types of incorporated municipalities:
cities A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be def ...
,
boroughs A borough is an administrative division in various English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely. History In the Middle Ag ...
,
townships A township is a kind of human settlement or administrative subdivision, with its meaning varying in different countries. Although the term is occasionally associated with an urban area, that tends to be an exception to the rule. In Australia, Ca ...
, and, in at most two cases,
towns A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an ori ...
. The
post office A post office is a public facility and a retailer that provides mail services, such as accepting letters and parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post offices may offer additional serv ...
uses community names and boundaries that usually do not correspond to the townships, and usually only have the same names as the municipalities for the cities and boroughs. The names used by the post office are generally used by residents to describe where they live. The following cities, boroughs and townships are located in Chester County:


City

* Coatesville


Boroughs

* Atglen * Avondale * Downingtown * Elverson * Honey Brook *
Kennett Square Kennett Square is a borough in Chester County, Pennsylvania, United States. It is known as the Mushroom Capital of the World because mushroom farming in the region produces over 500 million pounds of mushrooms a year, totaling half of the United ...
*
Malvern Malvern or Malverne may refer to: Places Australia * Malvern, South Australia, a suburb of Adelaide * Malvern, Victoria, a suburb of Melbourne * City of Malvern, a former local government area near Melbourne * Electoral district of Malvern, an e ...
*
Modena Modena (, , ; egl, label=Emilian language#Dialects, Modenese, Mòdna ; ett, Mutna; la, Mutina) is a city and ''comune'' (municipality) on the south side of the Po Valley, in the Province of Modena in the Emilia-Romagna region of northern I ...
*
Oxford Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...
* Parkesburg *
Phoenixville Phoenixville is a borough in Chester County, Pennsylvania, United States. It is located northwest of Philadelphia at the junction of French Creek and the Schuylkill River. It is in the Philadelphia metropolitan area. The population is 18,616 a ...
* South Coatesville * Spring City * West Chester (county seat) * West Grove


Townships

*
Birmingham Birmingham ( ) is a city and metropolitan borough in the metropolitan county of West Midlands in England. It is the second-largest city in the United Kingdom with a population of 1.145 million in the city proper, 2.92 million in the West ...
* Caln * Charlestown *
East Bradford East Bradford Township is a township in Chester County, Pennsylvania, United States. The population was 10,308 at the 2020 census. History The Cope's Bridge, Gibson's Covered Bridge, Worth-Jefferis Rural Historic District, Carter-Worth Hous ...
*East Brandywine Township, Chester County, Pennsylvania, East Brandywine *East Caln Township, Chester County, Pennsylvania, East Caln *East Coventry Township, Chester County, Pennsylvania, East Coventry *East Fallowfield Township, Chester County, Pennsylvania, East Fallowfield *East Goshen Township, Chester County, Pennsylvania, East Goshen *East Marlborough Township, Chester County, Pennsylvania, East Marlborough *East Nantmeal Township, Chester County, Pennsylvania, East Nantmeal *East Nottingham Township, Chester County, Pennsylvania, East Nottingham *East Pikeland Township, Chester County, Pennsylvania, East Pikeland *East Vincent Township, Chester County, Pennsylvania, East Vincent *East Whiteland Township, Chester County, Pennsylvania, East Whiteland *Easttown Township, Chester County, Pennsylvania, Easttown *Elk Township, Chester County, Pennsylvania, Elk *Franklin Township, Chester County, Pennsylvania, Franklin *Highland Township, Chester County, Pennsylvania, Highland *Honey Brook Township, Chester County, Pennsylvania, Honey Brook *Kennett Township, Chester County, Pennsylvania, Kennett *London Britain Township, Chester County, Pennsylvania, London Britain *London Grove Township, Chester County, Pennsylvania, London Grove *Londonderry Township, Chester County, Pennsylvania, Londonderry *Lower Oxford Township, Chester County, Pennsylvania, Lower Oxford *New Garden Township, Chester County, Pennsylvania, New Garden *New London Township, Chester County, Pennsylvania, New London *Newlin Township, Chester County, Pennsylvania, Newlin *North Coventry Township, Chester County, Pennsylvania, North Coventry *Penn Township, Chester County, Pennsylvania, Penn *Pennsbury Township, Chester County, Pennsylvania, Pennsbury *Pocopson Township, Chester County, Pennsylvania, Pocopson *Sadsbury Township, Chester County, Pennsylvania, Sadsbury *Schuylkill Township, Chester County, Pennsylvania, Schuylkill *South Coventry Township, Chester County, Pennsylvania, South Coventry *Thornbury Township, Chester County, Pennsylvania, Thornbury *Tredyffrin Township, Chester County, Pennsylvania, Tredyffrin *Upper Oxford Township, Chester County, Pennsylvania, Upper Oxford *Upper Uwchlan Township, Chester County, Pennsylvania, Upper Uwchlan *Uwchlan Township, Chester County, Pennsylvania, Uwchlan *Valley Township, Chester County, Pennsylvania, Valley *Wallace Township, Chester County, Pennsylvania, Wallace *Warwick Township, Chester County, Pennsylvania, Warwick *West Bradford Township, Chester County, Pennsylvania, West Bradford *West Brandywine Township, Chester County, Pennsylvania, West Brandywine *West Caln Township, Chester County, Pennsylvania, West Caln *West Fallowfield Township, Chester County, Pennsylvania, West Fallowfield *West Goshen Township, Chester County, Pennsylvania, West Goshen *West Marlborough Township, Chester County, Pennsylvania, West Marlborough *West Nantmeal Township, Chester County, Pennsylvania, West Nantmeal *West Nottingham Township, Chester County, Pennsylvania, West Nottingham *West Pikeland Township, Chester County, Pennsylvania, West Pikeland *West Sadsbury Township, Chester County, Pennsylvania, West Sadsbury *West Vincent Township, Chester County, Pennsylvania, West Vincent *West Whiteland Township, Chester County, Pennsylvania, West Whiteland *Westtown Township, Chester County, Pennsylvania, Westtown *Willistown Township, Chester County, Pennsylvania, Willistown


Census-designated places

Census-designated places are unincorporated area, unincorporated communities designated by the
U.S. Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...
for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law. *Berwyn, Pennsylvania, Berwyn *Caln, Pennsylvania, Caln *Chadds Ford, Pennsylvania, Chadds Ford (partly in Delaware County) *Chesterbrook, Pennsylvania, Chesterbrook *Cheyney University, Pennsylvania, Cheyney University (partly in Delaware County) *Cochranville, Pennsylvania, Cochranville *Devon, Pennsylvania, Devon *Dilworthtown, Pennsylvania, Dilworthtown (partly in Delaware County) *Eagle, Pennsylvania, Eagle *Eagleview, Pennsylvania, Eagleview *Exton, Pennsylvania, Exton *Frazer, Pennsylvania, Frazer *Glenmoore, Pennsylvania, Glenmoore *Hamorton, Pennsylvania, Hamorton *Hayti, Pennsylvania, Hayti *Kenilworth, Pennsylvania, Kenilworth *Kimberton, Pennsylvania, Kimberton *Lincoln University, Pennsylvania (CDP), Lincoln University *Lionville, Pennsylvania, Lionville *Marshallton, Chester County, Pennsylvania, Marshallton *Nottingham, Pennsylvania, Nottingham *Paoli, Pennsylvania, Paoli *Pomeroy, Pennsylvania, Pomeroy *Pughtown, Pennsylvania, Pughtown *Sadsburyville, Pennsylvania, Sadsburyville *South Pottstown, Pennsylvania, South Pottstown *Thorndale, Pennsylvania, Thorndale *Toughkenamon, Pennsylvania, Toughkenamon *Unionville, Chester County, Pennsylvania, Unionville *Westwood, Chester County, Pennsylvania, Westwood


Other unincorporated communities

*Birchrunville, Pennsylvania, Birchrunville *Black Horse, Pennsylvania, Black Horse *Brandamore, Pennsylvania, Brandamore *Bucktown, Pennsylvania, Bucktown *Byers Station Historic District, Byers Station *Cedarville, Pennsylvania, Cedarville *Chatham, Pennsylvania, Chatham *Chester Springs, Pennsylvania, Chester Springs *Chesterville, Pennsylvania, Chesterville *Compass, Pennsylvania, Compass *Coventryville, Pennsylvania, Coventryville *Cromby, Pennsylvania, Cromby *Darlington Corners, Pennsylvania, Darlington Corners *Daylesford, Pennsylvania, Daylesford *Devault, Pennsylvania, Devault *Doe Run, Pennsylvania, Doe Run *Dorlan, Pennsylvania, Dorlan *Embreeville, Pennsylvania, Embreeville *Ercildoun, Pennsylvania, Ercildoun *Faggs Manor, Pennsylvania, Faggs Manor *Glenloch, Pennsylvania, Glenloch *Goshenville, Pennsylvania, Goshenville *Hallman, Pennsylvania, Hallman *Harmony Hill, Pennsylvania, Harmony Hill *Harmonyville, Pennsylvania, Harmonyville *Hayesville, Pennsylvania, Hayesville *Hephzibah, Pennsylvania, Hephzibah *Hickory Hill, Chester County, Pennsylvania, Hickory Hill *Hiestand, Pennsylvania, Hiestand *Homeville, Chester County, Pennsylvania, Homeville *Humphreyville, Pennsylvania, Humphreyville *Icedale, Pennsylvania, Icedale *Ironsides, Pennsylvania, Ironsides *Isabella, Chester County, Pennsylvania, Isabella *Jennersville, Pennsylvania, Jennersville *Kaolin, Pennsylvania, Kaolin *Kelton, Pennsylvania, Kelton *Kemblesville, Pennsylvania, Kemblesville *Knauertown, Pennsylvania, Knauertown *Landenberg, Pennsylvania, Landenberg *Lenape, Pennsylvania, Lenape *Lewisville, Chester County, Pennsylvania, Lewisville *London Grove, Pennsylvania, London Grove *Longwood, Pennsylvania, Longwood *Lower Hopewell, Pennsylvania, Lower Hopewell *Ludwigs Corner, Pennsylvania, Ludwigs Corner *Lyndell, Pennsylvania, Lyndell *Mendenhall, Pennsylvania, Mendenhall *Milford Mills, Pennsylvania, Milford Mills *Mortonville, Pennsylvania, Mortonville *Morstein *Nantmeal Village, Pennsylvania, Nantmeal Village *Northbrook, Pennsylvania, Northbrook *Parker Ford, Pennsylvania, Parker Ford *Pocopson, Pennsylvania, Pocopson *Russellville, Pennsylvania, Russellville *Saint Peters, Pennsylvania, Saint Peters *Siousca, Pennsylvania, Siousca *Springdell, Pennsylvania, Springdell *Steelville, Pennsylvania, Steelville *Strafford, Pennsylvania, Strafford *Strickersville, Pennsylvania, Strickersville *Sugartown, Pennsylvania, Sugartown *Suplee, Pennsylvania, Suplee *Valley Forge, Pennsylvania, Valley Forge *Wagontown, Pennsylvania, Wagontown *Warwick, Pennsylvania, Warwick *West Goshen, Pennsylvania, West Goshen *Whitford, Pennsylvania, Whitford *Willowdale, Pennsylvania, Willowdale *Yellow Springs, Chester County, Pennsylvania, Yellow Springs


Historic community

*Barnestown, Pennsylvania, Barnestown


Population ranking

The population ranking of the following table is based on the 2020 census of Chester County. † ''county seat''


Climate

Chester County has four distinct seasons and has a hot-summer humid continental climate (''Dfa'') except for some far southern lowlands and areas along the Schuylkill River which have a humid subtropical climate (''Cfa''). The hardiness zones are 6b and 7a.


Public health


Opioid crisis

In both 2018 and 2019, deaths from drug overdoses in Chester County declined. Of the 104 drug overdoses recorded by the coroner, an estimated 77 percent involved the presence of fentanyl. One of the reasons for the decline in overdose deaths was "the saturation across the county of Naloxone, Narcan, the anti-opioid nasal spray that can revive someone suffering an overdose." In 2019, any resident of Chester County could obtain a free Narcan dose at community training events across the county.


Notable people

* Jesse B. Aikin (1808–1900), first to produce a song book with a seven-shape note system * Samuel Barber (1910–1981), one of the most celebrated composers of the 20th century * Eusebius Barnard (1802–1865), Quaker minister and station master on the Underground Railroad * Mifflin E. Bell (1847–1904), architect who served from 1883 to 1886 as Office of the Supervising Architect, Supervising Architect of the US Treasury Department * Daniel Garrison Brinton (1837–1899), physician and ethnologist who taught at the University of Pennsylvania * Scott Brunner (born 1957), National Football League, NFL quarterback during the 1980s * Margaret F. Butler (1861–1931), professor of otorhinolaryngology at the Woman's Medical College of Pennsylvania * Samuel Butler (politician), Samuel Butler (1825–1891), Pennsylvania House of Representatives, Pennsylvania State Representative and Pennsylvania Treasurer from 1880 to 1882 * Smedley Butler (1881–1940), twice recipient of the Medal of Honor, thwarted the Business Plot, advocate for veterans, author * Jefferson David Chalfant (1856–1931), painter best known for his ''trompe-l'œil'' still lifes * John Cochran (physician), John Cochran (1730–1807), physician and 4th Surgeon General of the United States Army * James D. Corrothers (1869–1917), African American poet, journalist, minister, and friend of Paul Laurence Dunbar * Isabel Darlington (1865–1950), lawyer and the first woman to gain admittance to the bar and practice law in Chester County * Bruce Davidson (equestrian), Bruce Davidson (born 1949), multiple Olympian in Eventing, equestrian eventing; noted competition-horse breeder and trainer * Sarah Dolley (1829–1909), physician and the first woman to complete a medical internship in the United States * Ryan Dunn (1977–2011), actor, television personality, and stunt performer, daredevil; died in a car crash in West Goshen, Pennsylvania, West Goshen * William Hood Dunwoody (1841–1914), businessman and partner in the firm that became General Mills * Phillip Dutton (born 1963), Australian-born Olympic-level equestrian rider in eventing * John Filson (1747–1788), author, historian, pioneer, surveyor, and founder of Cincinnati * James Fitzpatrick (outlaw), James Fitzpatrick (1748–1778), highwayman and loyalist during the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
* Bartholomew Fussell (1794–1871), abolitionist active in the Underground Railroad; early advocate for women's careers in medicine * Kyle Gallner (born 1986), actor * Robert Grace (manufacturer), Robert Grace (1709–1766), first manufacturer of the Franklin stove * Joseph Graham (North Carolina soldier), Joseph Graham (1759–1836), Revolutionary War militia officer, North Carolina politician, and ironmonger * Isaac Israel Hayes (1832–1881), Arctic explorer and physician * Francis James (congressman), Francis James (1799–1886), lawyer, state senator, and member of the US House of Representatives * Charlton Thomas Lewis (1834–1904), lawyer and Lexicography, lexicographer who compiled several Latin-English dictionaries * George Lippard (1822–1854), novelist (''The Quaker City, or The Monks of Monk Hall, The Quaker City; or, The Monks of Monk Hall''), journalist, and social reformer * Rebecca Webb Lukens (1794–1854), first female owner and manager of the company that became the Lukens Steel Mill * William Maclay (Pennsylvania senator), William Maclay (1737–1804), Pennsylvania state legislator and US Senator who served in the 1st United States Congress * Franklin MacVeagh (1837–1934), banker and United States Secretary of the Treasury, U.S. Secretary of the Treasury * Bam Margera (born 1979), professional skateboarder, television and radio personality, and stunt performer, daredevil * Boyd Martin (born 1979), Australian-born equestrian competing in eventing; has participated in two Summer Olympics * Jon Matlack (born 1950), baseball pitcher for the New York Mets and Texas Rangers (1971–83), All Star and N.L. champion * Henry McBride (art critic), Henry McBride (1867–1962), art critic who wrote for ''ARTnews, Art News'', ''The Dial'', and ''The New York Sun'' * Joseph McClellan (1746–1834), Continental Army captain, brevet colonel of militia, and Pennsylvania State Senate, Pennsylvania State Senator * Charles Follen McKim (1847–1909), one of the most prominent American Beaux-Arts architecture, Beaux-Arts architects of the late nineteenth century * Joseph McMinn (1758–1824), politician who served as Speaker of the Tennessee Senate and 4th Governor of Tennessee * Thomas Harrison Montgomery Jr. (1873–1912), zoologist and expert in cell biology, invertebrates, and birds * George Foot Moore (1851–1931), historian of religion, minister, and professor at Andover Theological Seminary and Harvard University * Hezekiah Niles (1777–1839), editor and publisher of the ''Weekly Register'', one of the highest circulating papers in the United States * John Parke, John Grubb Parke, Union Army, Union general during the American Civil War and victor of the Battle of Fort Stedman (1865) * Herb Pennock (1894–1948), Hall of Fame baseball pitcher; also known as the "Squire of Kennett Square" * Elijah F. Pennypacker (1804–1888), abolitionist and Underground Railroad station master * George Morris Philips (1851–1920), principal of West Chester University from 1881 to 1920 * Evan Pugh (1828–1864), agricultural chemist and first president of Pennsylvania State University * Thomas Buchanan Read (1822–1872), list of poets from the United States, poet and portrait painter * George W. Roberts (1833–1862), Union Army colonel killed in action at the Battle of Stones River * Barclay Rubincam (1920–1978), Regionalism (art), regionalist painter affiliated with the Brandywine School * Bayard Rustin (1912–1987), civil rights leader posthumously awarded the Presidential Medal of Freedom * Matt Ryan (American football), Matt Ryan (born 1985), quarterback for the Atlanta Falcons; born in Exton, Pennsylvania, Exton * Maria Sanford (1836–1920), Chester County school superintendent; professor at Swarthmore College and the University of Minnesota * John Wallace Scott (1832–1903), Medal of Honor recipient during the American Civil War, Civil War * Isaac Sharpless (1848–1920), president of Haverford College * M. Night Shyamalan (born 1970), film director * William Thomas Smedley (1858–1920), artist; member of the National Academy of Design * James Smith (delegate), James Smith (1719–1806), signer to the United States Declaration of Independence * Kerr Smith (born 1972), actor * William Preston Snyder (1851–1920), president pro tempore of the Pennsylvania Senate and Pennsylvania Auditor General * Bayard Taylor (1825–1878), poet, novelist, and travel writer * Miles Teller (born 1987), actor * Martha Gibbons Thomas (1869–1942), first woman elected to the Pennsylvania House of Representatives from Chester County * Richard Thomas (Pennsylvania politician), Richard Thomas (1744–1832), Pennsylvania state senator, U.S. Representative, and colonel during the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
* Richard Troxell, international opera star, aka "America's Tenor" * Bernardhus Van Leer (1687–1790), German-American physician and centenarian * Samuel Van Leer (1747–1825), captain during the American Revolution; owned Reading Furnace Historic District, Reading Furnace and other nearby historical places * Anthony Wayne (1745–1796), Revolutionary War general known as "Mad Anthony" Wayne * George Alexis Weymouth (1936–2016), artist (painter); "whip" stager; founder of the Brandywine Conservancy and the Brandywine River Museum * Thomas Wharton Jr. (1735–1778), served as the first Supreme Executive Council of the Commonwealth of Pennsylvania#Presidents of Council, President of Pennsylvania (an office akin to Governor of Pennsylvania, Governor) following the United States Declaration of Independence, Declaration of Independence * William H. Whyte (1917–1999), urbanist and sociologist who coined the term "groupthink" and wrote ''The Organization Man'' bestselling book on management * James P. Wickersham (1825–1891), principal of Millersville University of Pennsylvania, Millersville State Normal School, state school superintendent, and chargé d'affaires in Denmark * Hugh Williamson (1735–1819), Founding Fathers of the United States, Founding Father, signatory of the Constitution of the United States, U.S. Constitution, and United States House of Representatives, US representative from North Carolina * William (Amos) Wilson (1762–1821), folklore figure known as "The Pennsylvania Hermit" * Andrew Wyeth (1917–2009), artist * Jamie Wyeth (born 1946), artist * N.C. Wyeth (1882–1945), artist and illustrator


See also

* Duffy's Cut * National Register of Historic Places listings in Chester County, Pennsylvania


References


External links


Chester County Home PageChester County Government Meeting Minutes and local news at TownWatcherChester County Press Newspapers & MagazinesCollection of Chester County Quaker property records and other manuscripts
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Friends Historical Library of Swarthmore College
{{Authority control Chester County, Pennsylvania, 1682 establishments in Pennsylvania Populated places established in 1682