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Clark County is a
county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...
located in the west central portion of the U.S. state of
Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...
. As of the 2020 census, the population was 136,001.2020 census
/ref> Its
county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...
and largest city is Springfield. The county was created on March 1, 1818, and was named for General George Rogers Clark, a hero of 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 ...
. Clark County comprises the Springfield, OH Metropolitan Statistical Area, which is also included in the
Dayton Dayton () is a city in Montgomery County, Ohio, United States, and its county seat. It is the List of cities in Ohio, sixth-most populous city in Ohio, with a population of 137,644 at the 2020 United States census, 2020 census. The Dayton metro ...
-Springfield- Sidney-OH Combined Statistical Area.


Geography

According to the U.S. Census Bureau, the county has a total area of , of which is land and (1.3%) is water. It is the third-smallest county in
Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...
by total area.


Adjacent counties

* Champaign County (north) * Madison County (east) * Greene County (south) * Montgomery County (southwest) * Miami County (west)


Demographics


2020 census

As of the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 2020, there were 136,001 people, 54,862 households, and 35,354 families living in the county. The
population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...
was . There were 61,283 housing units at an average density of . The racial makeup of the county was 81.7%
White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 9%
African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 0.3% Native American, 0.7% Asian, 2.0% from other races, and 6.4% from two or more races.
Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
or Latino of any race were 3.5% of the population. There were 54,862 households, of which 25.9% had children under the age of 18 living with them, 44.9% were
married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
living together, 14.2% had a female householder with no spouse present, 5.3% had a male householder with no spouse present, and 35.6% were non-families. 29.1% of all households were made up of individuals, and 4.0% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.91. The median age in the county was 41.5 years. 22.5% of residents were under the age of 18; 9.0% were between the ages of 18 and 24; 22.4% were from 25 to 44; 26.7% were from 45 to 64; and 19.4% were 65 years of age or older. The gender makeup of the county was 48.4% male and 51.5% female. The median income for a household in the county was $51,504, and the median income for a family was $63,361. 15.3% 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 ...
, including 21.8% of those under age 18 and 8.6% of those age 65 or over. The labor force participation rate for those aged 20 to 64 was 76.6%. 88.9% of the population over the age of 25 had obtained a
high school diploma A high school diploma (sometimes referred to as a high school degree) is a diploma awarded upon graduation of high school A secondary school, high school, or senior school, is an institution that provides secondary education. Some secondary s ...
or equivalency, 18.9% of those over the age of 25 held
bachelor's degrees A bachelor's degree (from Medieval Latin ''baccalaureus'') or baccalaureate (from Neo-Latin, Modern Latin ''baccalaureatus'') is an undergraduate degree awarded by colleges and university, universities upon completion of a course of study lasting ...
.


2010 census

As of the 2010 United States census, there were 138,333 people, 55,244 households, and 36,906 families living in the county. The population density was . There were 61,419 housing units at an average density of . The racial makeup of the county was 86.3% white, 8.8% black or African American, 0.6% Asian, 0.3% American Indian, 1.4% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population. In terms of ancestry, 25.3% were German, 15.0% were Irish, 13.8% were American, and 10.5% were English. Of the 55,244 households, 31.1% had children under the age of 18 living with them, 47.5% were married couples living together, 14.1% had a female householder with no husband present, 33.2% were non-families, and 27.7% of all households were made up of individuals. The average household size was 2.45 and the average family size was 2.96. The median age was 40.5 years. The median income for a household in the county was $44,141 and the median income for a family was $53,678. Males had a median income of $43,209 versus $30,811 for females. The per capita income for the county was $22,110. About 11.1% of families and 15.9% 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 ...
, including 24.5% of those under age 18 and 7.4% of those age 65 or over.


2000 census

As of the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 2000, there were 144,742 people, 56,648 households, and 39,370 families living in the county. The
population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...
was . There were 61,056 housing units at an average density of . The racial makeup of the county was 88.12%
White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 8.95%
Black Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...
or
African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 0.28% Native American, 0.53% Asian, 0.02%
Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, 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 th ...
, 0.53% from other races, and 1.58% from two or more races. 1.17% of the population were
Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
or Latino of any race. 23.8% were of German, 21.6% American, 10.4% Irish and 8.7% English ancestry according to Census 2000. There were 56,648 households, out of which 31.40% had children under the age of 18 living with them, 52.60% were
married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
living together, 12.80% had a female householder with no husband present, and 30.50% were non-families. 26.00% of all households were made up of individuals, and 11.10% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.97. In the county, the population was spread out, with 25.10% under the age of 18, 9.10% from 18 to 24, 26.80% from 25 to 44, 24.30% from 45 to 64, and 14.70% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 92.50 males. For every 100 females age 18 and over, there were 88.60 males. The median income for a household in the county was $40,340, and the median income for a family was $48,259. Males had a median income of $37,157 versus $24,688 for females. The
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 ...
for the county was $19,501. About 7.90% of families and 10.70% 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 ...
, including 14.90% of those under age 18 and 8.20% of those age 65 or over.


Metropolitan Statistical Area

The Springfield metropolitan area was first defined in 1950. Then known as the Springfield Standard Metropolitan Area (Springfield SMA), it consisted of a single county – Clark – and had a population of 111,661. Following a term change by the Bureau of the Budget (present-day
Office of Management and Budget The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). The office's most prominent function is to produce the president's budget, while it also examines agency pro ...
) in 1959, the Springfield SMA became the Springfield Standard Metropolitan Statistical Area (Springfield SMSA). By the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 1960, the population had grown to 131,440, an 18 percent increase over the previous census. Champaign County was added to the Springfield SMSA in 1973. The two-county area had a combined population of 187,606 in 1970. In 1983, the official name was shortened to the Springfield Metropolitan Statistical Area (Springfield MSA). That same year, Dayton and Springfield were grouped together as the Dayton-Springfield Metropolitan Statistical Area. The new MSA consisted of four counties – Clark, Greene,
Miami Miami is a East Coast of the United States, coastal city in the U.S. state of Florida and the county seat of Miami-Dade County, Florida, Miami-Dade County in South Florida. It is the core of the Miami metropolitan area, which, with a populat ...
, and Montgomery. This arrangement remained unchanged until 2003, when the MSA was split with Springfield's newly defined metropolitan area including only Clark County.


Notable people

* George Harrison Shull (1874–1954) plant geneticist, was born in Clark County


Politics

Clark County has voted Republican in every presidential election since 2004, with
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
receiving 57% of the vote in 2016, a deviation from the usual tight results in the county. In 2012,
Mitt Romney Willard Mitt Romney (born March 12, 1947) is an American businessman and retired politician. He served as a United States Senate, United States senator from Utah from 2019 to 2025 and as the 70th governor of Massachusetts from 2003 to 2007 ...
won the county, but by only 523 votes out of 64,301 cast for president. County Commissioners - (President) Melanie Flax Wilt (R), Rick Lohnes (R), and Lowell McGlothlin (R) Sheriff - Deb Burchett (R) Recorder - Nancy Pence (R) Treasurer - Pamela Littlejohn (R) Auditor - Hillary Hamilton (R) Prosecuting Attorney - Dan Driscoll (R) Coroner - Susan L. Brown, DO (D) Judicial Municipal Court Clerk of Courts - Sheila Rice (D) Judges - Valerie Wilt (R), Stephen A. Schumaker (R), Daniel Carey (R) Common Pleas Court Clerk of Courts - Melissa Tuttle (R) General Division - Judges Douglas Rastatter (R) and Brian Driscoll (R) Domestic Relations - Judge Thomas Capper (R) Juvenile Court - Judge Katrine M Lancaster (R) Probate - Judge Richard Carey (R)


Education


Public school districts

Public school districts include:
Text list
/ref> * Cedar Cliff Local School District * Clark - Shawnee Local School Districtbr>
** Shawnee High School, Springfield (the Braves) * Greenon Local School District ** Greenon High School, Springfield (the Knights) * Fairborn City School District * Northeastern Local School Districtbr>
** Kenton Ridge High School, Springfield (the Cougars) ** Northeastern High School, Springfield (the Jets) * Northwestern Local School Districtbr>
** Northwestern High School, Springfield (the Warriors) * Southeastern Local Schoolsbr>
** Southeastern High School, South Charleston (the Trojans) * Springfield City School District ** Springfield High School, (the Wildcats) * Tecumseh Local School District ** Tecumseh High School, New Carlisle (the Arrows) * Yellow Springs Exempted Village School District


Colleges and Universities

* Clark State College, Springfield (the Eagles) * Wittenberg University, Springfield (the Tigers)


Communities


Cities

* New Carlisle * Springfield (county seat)


Villages

* Catawba * Clifton * Donnelsville * Enon * North Hampton * South Charleston * South Vienna * Tremont City


Townships

* Bethel * German *
Green Green is the color between cyan and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495570 nm. In subtractive color systems, used in painting and color printing, it is created by a com ...
*
Harmony In music, harmony is the concept of combining different sounds in order to create new, distinct musical ideas. Theories of harmony seek to describe or explain the effects created by distinct pitches or tones coinciding with one another; harm ...
* Mad River * Madison * Moorefield * Pike * Pleasant * Springfield


Census-designated places

* Crystal Lakes * Green Meadows * Holiday Valley * Northridge * Park Layne


Unincorporated communities

* Beatty *
Brighton Brighton ( ) is a seaside resort in the city status in the United Kingdom, city of Brighton and Hove, East Sussex, England, south of London. Archaeological evidence of settlement in the area dates back to the Bronze Age Britain, Bronze Age, R ...
* Cortsville * Dialton *
Dodo The dodo (''Raphus cucullatus'') is an extinction, extinct flightless bird that was endemism, endemic to the island of Mauritius, which is east of Madagascar in the Indian Ocean. The dodo's closest relative was the also-extinct and flightles ...
* Dolly Varden, Ohio, Dolly Varden * Durbin, Ohio, Durbin * Eagle City, Ohio, Eagle City * Harmony, Ohio, Harmony * Hustead, Ohio, Hustead * Lawrenceville, Ohio, Lawrenceville * Limestone City, Ohio, Limestone City * Lisbon, Clark County, Ohio, Lisbon * Locustgrove, Ohio, Locustgrove * Medway, Ohio, Medway * New Moorefield, Ohio, New Moorefield * Pitchin, Ohio, Pitchin * Plattsburgh, Ohio, Plattsburgh * Selma, Ohio, Selma * Sugar Grove, Clark County, Ohio, Sugar Grove * Villa, Ohio, Villa


See also

*Clark County Public Library *Clark County Heritage Center *National Register of Historic Places listings in Clark County, Ohio


References


External links


Official web site of Clark County
{{authority control Clark County, Ohio, 1818 establishments in Ohio Populated places established in 1818