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The Mid-Atlantic is a region of the United States located in the overlap between the nation's Northeastern and Southeastern states. Traditional definitions include seven U.S. states:
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
,
New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
,
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
,
Delaware Delaware ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and South Atlantic states, South Atlantic regions of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey ...
,
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
,
West Virginia West Virginia is a mountainous U.S. state, state in the Southern United States, Southern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States.The United States Census Bureau, Census Bureau and the Association of American ...
, and the national capital of
Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...
. Depending on various factors, different regional divisions exist however: the U.S. Bureau of Labor Statistics in its newest regional division excludes New York from the region; the US Census Bureau excludes Delaware, Maryland, Virginia and West Virginia from the region; USGS defines the region by watersheds thus additionally including North Carolina;Earl A. Greene et al
"Ground-Water Vulnerability to Nitrate Contamination in the Mid-Atlantic Region".
USGS The United States Geological Survey (USGS), founded as the Geological Survey, is an government agency, agency of the United States Department of the Interior, U.S. Department of the Interior whose work spans the disciplines of biology, geograp ...
Fact Sheet FS 2004-3067. 2005. Retrieved April 25, 2013. Note: Although the locator map appears to exclude part of northwestern Pennsylvania, other more detailed maps in this article include all of the state. Often, when discussing climate, southern Connecticut is included with the Middle Atlantic.
the EPA excludes both New York and New Jersey;''EPA Region 3 (Mid-Atlantic) , Serving Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia and 7 federally recognized tribes''. U.S. Environmental Protection Agency (EPA). (n.d.). https://www.epa.gov/aboutepa/epa-region-3-mid-atlantic the US Maritime Administration excludes upper New Jersey and New York;''Mid-Atlantic Gateway (Washington, DC)''. Mid-Atlantic Gateway (Washington, DC) , MARAD. (n.d.). https://www.maritime.dot.gov/about-us/gateway-offices/mid-atlantic-gateway-office-washington-dc the Office of Small Business Programs of the Department of Defense excludes New York. When discussing climate,
Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...
is sometimes included, since its climate is closer to the Mid Atlantic than the rest of the
New England New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...
region. The region was known in the 17th century as the " Middle Colonies" during the
colonial era Colonial period (a period in a country's history where it was subject to management by a colonial power) may refer to: Continents *European colonization of the Americas * Colonisation of Africa * Western imperialism in Asia Countries * Col ...
, initially including four colonial provinces, the
Delaware Colony The Delaware Colony, officially known as the three Lower Counties on the Delaware, was a semiautonomous region of the proprietary Province of Pennsylvania and a '' de facto'' British colony in North America. Although not royally sanctioned, ...
and the Provinces of
New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
,
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
, and
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
, each of which were among the
Thirteen Colonies The Thirteen Colonies were the British colonies on the Atlantic coast of North America which broke away from the British Crown in the American Revolutionary War (1775–1783), and joined to form the United States of America. The Thirteen C ...
in pre-
revolutionary A revolutionary is a person who either participates in, or advocates for, a revolution. The term ''revolutionary'' can also be used as an adjective to describe something producing a major and sudden impact on society. Definition The term—bot ...
British America British America collectively refers to various British colonization of the Americas, colonies of Kingdom of Great Britain, Great Britain and its predecessors states in the Americas prior to the conclusion of the American Revolutionary War in 1 ...
. Afterwards, the area was recognized geographically as the "Middle States", with Maryland, Virginia and in some instances
North Carolina North Carolina ( ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina to the south, Georgia (U.S. stat ...
included, as well as the Ohio Territory. As of the 2020 census, the region had a population of 60,783,913, representing slightly over 18% of the nation's population. The Mid-Atlantic is a relatively affluent region of the nation; nearly half of the nation's 100 highest-income counties based on
median household income The median income is the income amount that divides a population into two groups, half having an income above that amount, and half having an income below that amount. It may differ from the mean (or average) income. Both of these are ways of und ...
are located in the Mid-Atlantic, and 33 of the nation's top 100 counties based on
per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...
are in the region. Most of the Mid-Atlantic states rank among the 15 highest-income states in the nation by both median household income and per capita income. The Mid-Atlantic region played an instrumental and historic role in the nation's founding and the development of the nation. Six of the seven states were members of the
Thirteen Colonies The Thirteen Colonies were the British colonies on the Atlantic coast of North America which broke away from the British Crown in the American Revolutionary War (1775–1783), and joined to form the United States of America. The Thirteen C ...
that sent delegates to the
Second Continental Congress The Second Continental Congress (1775–1781) was the meetings of delegates from the Thirteen Colonies that united in support of the American Revolution and American Revolutionary War, Revolutionary War, which established American independence ...
, which assembled in
Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
and unanimously adopted the
Declaration of Independence A declaration of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of the territory of another state or failed state, or are breaka ...
, and formalized the
Continental Army The Continental Army was the army of the United Colonies representing the Thirteen Colonies and later the United States during the American Revolutionary War. It was formed on June 14, 1775, by a resolution passed by the Second Continental Co ...
under
George Washington George Washington (, 1799) was a Founding Fathers of the United States, Founding Father and the first president of the United States, serving from 1789 to 1797. As commander of the Continental Army, Washington led Patriot (American Revoluti ...
's command 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 the armed conflict that comprised the final eight years of the broader American Revolution, in which Am ...
. Following independence, the states again gathered in Philadelphia at the Constitutional Convention, in 1788, where they ratified the
United States Constitution The Constitution of the United States is the Supremacy Clause, supreme law of the United States, United States of America. It superseded the Articles of Confederation, the nation's first constitution, on March 4, 1789. Originally includi ...
, which remains the oldest and longest-standing written and codified national constitution in force in the world. The Mid-Atlantic region was settled during the
colonial era Colonial period (a period in a country's history where it was subject to management by a colonial power) may refer to: Continents *European colonization of the Americas * Colonisation of Africa * Western imperialism in Asia Countries * Col ...
between the early 17th century and the conclusion of the American Revolutionary War in 1783 by
European Americans European Americans are Americans of European ancestry. This term includes both people who descend from the first European settlers in the area of the present-day United States and people who descend from more recent European arrivals. Since th ...
of primarily Dutch,
German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...
, Swedish, English, and other
Western Europe Western Europe is the western region of Europe. The region's extent varies depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the Western half of the ancient Mediterranean ...
an ethnicities. Religious pluralism and freedoms existed in the original
Thirteen Colonies The Thirteen Colonies were the British colonies on the Atlantic coast of North America which broke away from the British Crown in the American Revolutionary War (1775–1783), and joined to form the United States of America. The Thirteen C ...
and were particularly prevalent in
Province of Pennsylvania The Province of Pennsylvania, also known as the Pennsylvania Colony, was a British North American colony founded by William Penn, who received the land through a grant from Charles II of England in 1681. The name Pennsylvania was derived from ...
and the geographic region that ultimately broke from Pennsylvania to form the
Delaware Colony The Delaware Colony, officially known as the three Lower Counties on the Delaware, was a semiautonomous region of the proprietary Province of Pennsylvania and a '' de facto'' British colony in North America. Although not royally sanctioned, ...
. Among the 13 colonies, the
Province of Maryland The Province of Maryland was an Kingdom of England, English and later British colonization of the Americas, British colony in North America from 1634 until 1776, when the province was one of the Thirteen Colonies that joined in supporting the A ...
was the only colony with a substantial
Catholic The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
population. Following the American Revolutionary War, the Mid-Atlantic region hosted each of the historic capitals of the United States. The nation's capital was constructed in
Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...
in the late 18th century, and relocated there from Philadelphia in 1800. In the early part of the 19th century, New York and Pennsylvania overtook Virginia as the nation's two most populous states, and the Mid-Atlantic region overtook
New England New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...
as the most important trading and industrial center in the nation. During this period, large numbers of
German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...
, Irish,
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...
,
Jewish Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...
, Polish, and other
immigrants Immigration is the international movement of people to a destination country of which they are not usual residents or where they do not possess nationality in order to settle as permanent residents. Commuters, tourists, and other short- ...
arrived in the region's coastal cities, including
Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
, Newark,
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
, Philadelphia, and interior cities such as
Pittsburgh Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...
, and Rochester, Albany, and Buffalo, the latter of which is also included in the
Great Lakes region The Great Lakes region of Northern America is a binational Canadian– American region centered on the Great Lakes that includes the U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania, and Wisconsin and the Ca ...
, with their skyscrapers and subways, which emerged as icons of
modernity Modernity, a topic in the humanities and social sciences, is both a historical period (the modern era) and the ensemble of particular Society, socio-Culture, cultural Norm (social), norms, attitudes and practices that arose in the wake of the ...
and American economic and cultural power in the 20th century. In the late 19th century, the region played a vital and historic role in the development of
American culture The culture of the United States encompasses various social behaviors, institutions, and Social norm, norms, including forms of Languages of the United States, speech, American literature, literature, Music of the United States, music, Visual a ...
, commerce, trade, and industry sectors. The
Northeast Corridor The Northeast Corridor (NEC) is an electrified railroad line in the Northeast megalopolis of the United States. Owned primarily by Amtrak, it runs from Boston in the north to Washington, D.C., in the south, with major stops in Providence, Rhod ...
and
Interstate 95 Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from U.S. Route 1 (US 1) in Miami, Florida, north to the Houlton–Woodstock Border Crossing between Maine and the ...
in the region link an almost contiguous urban region, which includes large and small cities and their respective suburbs and forms the
Northeast megalopolis The Northeast megalopolis, also known as the Northeast Corridor, Acela Corridor, Boston–Washington corridor, BosWash, or BosNYWash, is the most populous megalopolis exclusively within the United States, with slightly over 50 million resident ...
, one of the world's most important concentrations of finance, media, communications,
education Education is the transmission of knowledge and skills and the development of character traits. Formal education occurs within a structured institutional framework, such as public schools, following a curriculum. Non-formal education als ...
, medicine, and technology. The region is home to eight of the top 25 ranked universities in the nation:
Cornell University Cornell University is a Private university, private Ivy League research university based in Ithaca, New York, United States. The university was co-founded by American philanthropist Ezra Cornell and historian and educator Andrew Dickson W ...
in
Ithaca, New York Ithaca () is a city in and the county seat of Tompkins County, New York, United States. Situated on the southern shore of Cayuga Lake in the Finger Lakes region of New York (state), New York, Ithaca is the largest community in the Ithaca metrop ...
;
Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...
in New York City;
Princeton University Princeton University is a private university, private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial ...
in
Princeton, New Jersey The Municipality of Princeton is a Borough (New Jersey), borough in Mercer County, New Jersey, United States. It was established on January 1, 2013, through the consolidation of the Borough of Princeton, New Jersey, Borough of Princeton and Pri ...
; the
University of Pennsylvania The University of Pennsylvania (Penn or UPenn) is a Private university, private Ivy League research university in Philadelphia, Pennsylvania, United States. One of nine colonial colleges, it was chartered in 1755 through the efforts of f ...
in
Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
;
Carnegie Mellon University Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institu ...
in
Pittsburgh Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...
;
Johns Hopkins University The Johns Hopkins University (often abbreviated as Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland, United States. Founded in 1876 based on the European research institution model, J ...
in
Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
,
Georgetown University Georgetown University is a private university, private Jesuit research university in Washington, D.C., United States. Founded by Bishop John Carroll (archbishop of Baltimore), John Carroll in 1789, it is the oldest Catholic higher education, Ca ...
in
Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...
; and the
University of Virginia The University of Virginia (UVA) is a Public university#United States, public research university in Charlottesville, Virginia, United States. It was founded in 1819 by Thomas Jefferson and contains his The Lawn, Academical Village, a World H ...
in
Charlottesville, Virginia Charlottesville, colloquially known as C'ville, is an independent city (United States), independent city in Virginia, United States. It is the county seat, seat of government of Albemarle County, Virginia, Albemarle County, which surrounds the ...
according to ''U.S. News & World Report'' Best Colleges Ranking.


Composition

Definitions of the geographic components of the Mid-Atlantic region differ slightly among sources. Generally speaking, the region is inclusive of the states of Delaware, Maryland, New Jersey, New York, Pennsylvania, Virginia, and West Virginia, and the federal district of the District of Columbia, with some additional sources including or excluding other areas in parts of the Northeast region and the South Atlantic states, for practical reasons. The
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
defines the Mid-Atlantic as a sub-region of the
Northeast The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west—eac ...
and only includes New Jersey, New York, and Pennsylvania. The
Bureau of Labor Statistics The Bureau of Labor Statistics (BLS) is a unit of the United States Department of Labor. It is the principal fact-finding agency for the government of the United States, U.S. government in the broad field of labor economics, labor economics and ...
excludes New York; the
Environmental Protection Agency Environmental Protection Agency may refer to the following government organizations: * Environmental Protection Agency (Queensland), Australia * Environmental Protection Agency (Ghana) * Environmental Protection Agency (Ireland) * Environmenta ...
excludes New York and New Jersey; and the
U.S. Department of Transportation The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the president of the United States a ...
-
United States Maritime Administration The United States Maritime Administration (MARAD) is an Government agency#United States, agency of the United States Department of Transportation. MARAD administers financial programs to develop, promote, and operate the United States Maritime ...
includes
North Carolina North Carolina ( ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina to the south, Georgia (U.S. stat ...
. In 2004, the
United States Geological Survey The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on Mar ...
within the context of Ground-Water Vulnerability to Nitrate Contamination, defined the region as including Delaware, Maryland, Pennsylvania, Virginia, and Washington, D.C., and parts of New Jersey, New York, and North Carolina. West Virginia and Virginia are atypical of this region in a few ways. These states both primarily lie within the Southern American dialect region, and the major religious tradition is largely
Evangelical Christian Evangelicalism (), also called evangelical Christianity or evangelical Protestantism, is a worldwide, interdenominational movement within Protestantism, Protestant Christianity that emphasizes evangelism, or the preaching and spreading of th ...
, with 30% in Virginia and 39% in West Virginia identifying as evangelicals. Although a few of West Virginia's eastern panhandle counties are considered part of the
Washington metropolitan area The Washington metropolitan area, also referred to as the National Capital Region, Greater Washington, or locally as the DMV (short for Washington, D.C., District of Columbia, Maryland, and Virginia), is the metropolitan area comprising Washing ...
, the major portion of the state is rural and there are no major or even large cities. File:Mid-Atlantic Region location map.gif, A
USGS The United States Geological Survey (USGS), founded as the Geological Survey, is an government agency, agency of the United States Department of the Interior, U.S. Department of the Interior whose work spans the disciplines of biology, geograp ...
fact sheet on the Mid-Atlantic region's groundwater File:Middle Atlantic States - 1883 Monteith map.jpg, An 1897 map displaying a broad definition of the Mid-Atlantic region File:Middle Atlantic States.jpg, An 1886 Harper's School Geography map showing the region, which excludes
Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
and
West Virginia West Virginia is a mountainous U.S. state, state in the Southern United States, Southern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States.The United States Census Bureau, Census Bureau and the Association of American ...
File:Census Regions and Division of the United States.svg, The
U.S. Census Bureau The United States Census Bureau, 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 U.S. Census Bureau is part of the U ...
's geographic definition of the Mid-Atlantic includes three states,
New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
,
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
, and
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...


History

Shipping and trade have been important to the Mid-Atlantic economy since the beginning of the colonial era. The explorer
Giovanni da Verrazzano Giovanni da Verrazzano ( , ; often misspelled Verrazano in English; 1491–1528) was an Italian ( Florentine) explorer of North America, who led most of his later expeditions, including the one to America, in the service of King Francis I of ...
was the first European to see the region in 1524.
Henry Hudson Henry Hudson ( 1565 – disappeared 23 June 1611) was an English sea explorer and navigator during the early 17th century, best known for his explorations of present-day Canada and parts of the Northeastern United States. In 1607 and 16 ...
later extensively explored that region in 1611 and claimed it for the Dutch, who then created a fur-trading post in Albany in 1614.
Jamestown, Virginia The Jamestown settlement in the Colony of Virginia was the first permanent British colonization of the Americas, English settlement in the Americas. It was located on the northeast bank of the James River, about southwest of present-day Willia ...
was the first permanent English colony in North America, it was established seven years earlier in 1607. From early colonial times, the Mid-Atlantic region was settled by a wider range of European people than in New England or the South. The Dutch
New Netherland New Netherland () was a colony of the Dutch Republic located on the East Coast of what is now the United States. The claimed territories extended from the Delmarva Peninsula to Cape Cod. Settlements were established in what became the states ...
settlement along the
Hudson River The Hudson River, historically the North River, is a river that flows from north to south largely through eastern New York (state), New York state. It originates in the Adirondack Mountains at Henderson Lake (New York), Henderson Lake in the ...
in
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
and
New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
, and for a time,
New Sweden New Sweden () was a colony of the Swedish Empire between 1638 and 1655 along the lower reaches of the Delaware River in what is now Delaware, Maryland, New Jersey, and Pennsylvania. Established during the Thirty Years' War when Sweden was a g ...
along the
Delaware River The Delaware River is a major river in the Mid-Atlantic region of the United States and is the longest free-flowing (undammed) river in the Eastern United States. From the meeting of its branches in Hancock, New York, the river flows for a ...
in
Delaware Delaware ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and South Atlantic states, South Atlantic regions of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey ...
, divided the two great bulwarks of English settlement from each other. The original English settlements in the region notably provided refuge to religious minorities,
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...
to
Roman Catholics The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
and
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
to
Quakers Quakers are people who belong to the Religious Society of Friends, a historically Protestantism, Protestant Christian set of Christian denomination, denominations. Members refer to each other as Friends after in the Bible, and originally ...
and
Anabaptist Anabaptism (from Neo-Latin , from the Greek language, Greek : 're-' and 'baptism'; , earlier also )Since the middle of the 20th century, the German-speaking world no longer uses the term (translation: "Re-baptizers"), considering it biased. ...
Pennsylvania Dutch The Pennsylvania Dutch (), also referred to as Pennsylvania Germans, are an ethnic group in Pennsylvania in the United States, Ontario in Canada, and other regions of both nations. They largely originate from the Palatinate (region), Palatina ...
. In time, all these settlements fell under English colonial control, but the region continued to be a magnet for people of diverse nationalities. The area that came to be known as the Middle Colonies served as a strategic bridge between the North and South. The
New York and New Jersey campaign The New York and New Jersey campaign in 1776 and the winter months of 1777 was a series of American Revolutionary War battles for control of the Port of New York and New Jersey, Port of New York and the state of New Jersey, fought between Kingdom ...
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 the armed conflict that comprised the final eight years of the broader American Revolution, in which Am ...
saw more battles than any other theater of the conflict.
Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
, midway between the northern and southern colonies, was home to the
Continental Congress The Continental Congress was a series of legislature, legislative bodies, with some executive function, for the Thirteen Colonies of British America, Great Britain in North America, and the newly declared United States before, during, and after ...
, the convention of delegates who organized the
American Revolution The American Revolution (1765–1783) was a colonial rebellion and war of independence in which the Thirteen Colonies broke from British America, British rule to form the United States of America. The revolution culminated in the American ...
. Philadelphia also was the birthplace of the
Declaration of Independence A declaration of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of the territory of another state or failed state, or are breaka ...
in 1776 and the
United States Constitution The Constitution of the United States is the Supremacy Clause, supreme law of the United States, United States of America. It superseded the Articles of Confederation, the nation's first constitution, on March 4, 1789. Originally includi ...
in 1787, while the
United States Bill of Rights The United States Bill of Rights comprises the first ten list of amendments to the United States Constitution, amendments to the United States Constitution. It was proposed following the often bitter 1787–88 debate over the Timeline of dr ...
was drafted and ratified and the first
Supreme Court of the United States The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all Federal tribunals in the United States, U.S. federal court cases, and over Stat ...
sat for the first time, in the first capital under the
Constitution of New York The Constitution of the State of New York establishes the structure of the government of the State of New York, and enumerates the basic rights of the citizens of New York. Like most state constitutions in the United States, New York's constituti ...
. While early settlers were mostly farmers, traders, and fishermen, the Mid-Atlantic states provided the young United States with
heavy industry Heavy industry is an industry that involves one or more characteristics such as large and heavy products; large and heavy equipment and facilities (such as heavy equipment, large machine tools, huge buildings and large-scale infrastructure); o ...
and served as the "
melting pot A melting pot is a Monoculturalism, monocultural metaphor for a wiktionary:heterogeneous, heterogeneous society becoming more wiktionary:homogeneous, homogeneous, the different elements "melting together" with a common culture; an alternative bei ...
" of new
immigrants Immigration is the international movement of people to a destination country of which they are not usual residents or where they do not possess nationality in order to settle as permanent residents. Commuters, tourists, and other short- ...
from Europe. Cities grew along major ports, shipping routes, and waterways, including New York City and Newark on opposite sides of the
Hudson River The Hudson River, historically the North River, is a river that flows from north to south largely through eastern New York (state), New York state. It originates in the Adirondack Mountains at Henderson Lake (New York), Henderson Lake in the ...
, Philadelphia on the Delaware River,
Allentown Allentown may refer to: Places * Allentown, California, now called Toadtown, California * Allentown, Georgia, a city in four counties in Georgia * Allentown, Illinois, an unincorporated community in Tazewell County * Allentown, New Jersey, a boroug ...
on the
Lehigh River The Lehigh River () is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tributary of the Delaware River in eastern Pennsylvania. The river flows in a generally southward ...
, and
Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
on the
Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Ea ...
.


Major states, cities, and urban areas


Metropolitan areas


States and federal district


State capitals and federal district

Note: The Mid-Atlantic region is also home to the nation's capital, Washington, D.C.


In presidential elections

* Bold denotes election winner.


Culture


Sports

The Mid-Atlantic is home to 33 professional sports franchises in the five major leagues and the two most prominent women's professional leagues: Notable golf tournaments in the Mid-Atlantic include the
Barclays Barclays PLC (, occasionally ) is a British multinational universal bank, headquartered in London, England. Barclays operates as two divisions, Barclays UK and Barclays International, supported by a service company, Barclays Execution Services ...
,
Quicken Loans National The National, originally titled for sponsorship reasons as the AT&T National and later as the Quicken Loans National, was a professional golf tournament on the PGA Tour from 2007 to 2018. It was hosted by Tiger Woods and benefited the Tiger Woods ...
and Atlantic City LPGA Classic. Two high-level professional tennis tournaments are held in the region. The US Open, held in New York, is one of the four Grand Slam tennis tournaments, whereas the Washington Open is part of the
ATP Tour 500 The ATP 500 tournaments (previously known as the ''ATP World Tour 500'' tournaments, ''ATP International Series Gold'', and ''ATP Championship Series'') are the fourth highest tier of annual men's tennis tournament after the four Grand Slam (tenni ...
series and WTA 250 series. Notable motorsports tracks include
Watkins Glen International Watkins Glen International, nicknamed "The Glen", is an automobile race track in the Northeastern United States, northeastern United States, located in Dix, New York, just southwest of the village of Watkins Glen, New York, Watkins Glen, at the ...
,
Dover Motor Speedway Dover Motor Speedway (formerly known as the Dover International Speedway from 2002 to 2021 and as the Dover Downs International Speedway from 1969 to 2001) is a oval track in Dover, Delaware. The venue has hosted major events since its inaugu ...
and
Pocono Raceway Pocono Raceway (formerly known as the Pocono International Raceway in early years) is a tri-oval track in Blakeslee, Pennsylvania. The track has held a variety of events since its opening in 1969, including NASCAR, IndyCar Series, and IMSA GT ...
, which have hosted
Formula One Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...
,
IndyCar IndyCar, LLC (stylized as INDYCAR), is an auto racing sanctioning body for American open-wheel car racing headquartered in Indianapolis, Indiana. The organization sanctions two racing series: the premier IndyCar Series with the Indianapolis ...
,
NASCAR The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing. It is considered to be one of the top ranked motorsports organizations in ...
,
World Sportscar Championship The World Sportscar Championship was the world Endurance racing (motorsport), endurance racing series run for sports car racing, sanctioned by the Fédération Internationale de l'Automobile (FIA), from 1953 World Sportscar Championship, 1953 t ...
and
IMSA The International Motor Sports Association (IMSA) is a North American sports car racing sanctioning body based in Daytona Beach, Florida, under the jurisdiction of the Automobile Competition Committee for the United States, ACCUS arm of the Féd ...
races. Also, the Englishtown and
Reading Reading is the process of taking in the sense or meaning of symbols, often specifically those of a written language, by means of Visual perception, sight or Somatosensory system, touch. For educators and researchers, reading is a multifacete ...
drag strips such have hosted
NHRA The National Hot Rod Association (NHRA) is a governing body which sets rules in drag racing and hosts events all over the United States and Canada. With over 40,000 drivers in its rosters, the NHRA claims to be the largest motorsport sanction ...
national events.
Pimlico Race Course Pimlico Race Course is a thoroughbred horse racetrack in Baltimore, Maryland, most famous for hosting the Preakness Stakes. Its name is derived from the 1660s when English settlers named the area where the facility currently stands in honor of O ...
at Baltimore and
Belmont Park Belmont Park is a thoroughbred racing, thoroughbred horse racetrack in Elmont, New York, just east of New York City limits best known for hosting the Belmont Stakes, the final leg of the American Triple Crown of Thoroughbred Racing (United Stat ...
at New York host the
Preakness Stakes The Preakness Stakes is an American thoroughbred horse race held annually on Armed Forces Day, the third Saturday in May at Pimlico Race Course in Baltimore, Maryland (except in 2026 when it will move to Laurel Park (race track), Laurel Park dur ...
and
Belmont Stakes The Belmont Stakes is an American Graded stakes race, Grade I stakes Thoroughbred racing, race for three-year-old Thoroughbreds run at Belmont Park in Elmont, New York. It is run over the worldwide classic distance of . Colt (horseracing), Colt ...
horse races, which are part of the
Triple Crown of Thoroughbred Racing The Triple Crown of Thoroughbred Racing, often shortened to Triple Crown, is a series of horse racing, horse races for Thoroughbreds, often restricted to three-year-olds. Winning all three of these Thoroughbred racing, Thoroughbred horse races i ...
.


Economy

With a GDP nominal of over $5.2 trillion, the Mid-Atlantic economy would be third-largest in the world if calculated separately, only behind the remaining United States and China and nearly $1 trillion larger than next place Japan. This economic prosperity is buoyed by a significant financial services and banking sector, healthcare and chemicals industry, and telecommunications and entertainment conglomerates. According to the Global Financial Centres Index, the Mid-Atlantic region is home to the leading financial center in the world (New York) at #1, with Washington also present at #15. Notable companies (over $100 billion market cap) headquartered in the region include:


See also

*
List of regions of the United States This is a list of some of the ways ''regions'' are defined in the United States. Many regions are defined in law or regulations by the federal government; others by shared culture and history, and others by economic factors. Interstate regions ...


References


Bibliography

* Bodle, Wayne, "The Mid-Atlantic and the American Revolution", ''Pennsylvania History'' 82 (Summer 2015), 282–99. * Heineman, Kenneth J., "The Only Things You Will Find in the Middle of the Road are Double Yellow Lines, Dead Frogs, and Electoral Leverage: Mid-Atlantic Political Culture and Influence across the Centuries", ''Pennsylvania History'', 82 (Summer 2015), 300–13. * Landsman, Ned C. ''Crossroads of Empire: The Middle Colonies in British North America'' (2010) * Longhurst, James. Typically American': Trends in the History of Environmental Politics and Policy in the Mid-Atlantic Region". ''Pennsylvania History: A Journal of Mid-Atlantic Studies'' 79.4 (2012): 409–427. * Magoc, Chris J., "In Search of a Useable—and Hopeful—Environmental Narrative in the Mid-Atlantic", ''Pennsylvania History'', 82 (Summer 2015), 314–28. * Mancall, Peter C., Joshua L. Rosenbloom, and Thomas Weiss. "Exports from the Colonies and States of the Middle Atlantic Region 1720–1800". ''Research in Economic History'' 29 (2013): 257–305. * Marzec, Robert. ''The Mid-Atlantic Region: The Greenwood Encyclopedia of American Regional Cultures'' (2004) * Richter, Daniel K, "Mid-Atlantic Colonies, R.I.P.", ''Pennsylvania History'', 82 (Summer 2015), 257–81. * Rosenbloom, Joshua L., and Thomas Weiss. "Economic growth in the Mid-Atlantic region: Conjectural estimates for 1720 to 1800". ''Explorations in Economic History'' 51 (2014): 41–59. {{DEFAULTSORT:Mid-Atlantic Census regions of the United States East Coast of the United States Eastern United States Northeastern United States Regions of the United States Southeastern United States