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Clark County, Ohio

For British letters to voters in Clark County in the 2004 Presidential election, see The Guardian.
Clark County, Ohio
Seal of Clark County, Ohio
Map of Ohio highlighting Clark County
Location in the state of Ohio
Map of the United States highlighting Ohio
Ohio's location in the U.S.
Founded March 1, 1818[1]
Named for George Rogers Clark
Seat Springfield
Largest city Springfield
 • Total 403 sq mi (1,044 km2)
 • Land 397 sq mi (1,028 km2)
 • Water 5.1 sq mi (13 km2), 1.3%
 • (2010) 138,333
 • Density 348/sq mi (134/km²)
Congressional district 8th
Time zone Eastern: UTC-5/-4
Website .gov.clarkcountyohiowww

Clark County is a

  • Official web site of Clark County

External links

  • Guide to Clark County from the Guardian newspaper of London
  1. ^ "Ohio County Profiles: Clark County" (PDF). Ohio Department of Development. Retrieved 2007-04-28. 
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved February 7, 2015. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 82. 
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 7, 2015. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 7, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 7, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 7, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 7, 2015. 
  11. ^ "American FactFinder".  
  12. ^ "Standard Metropolitan Areas (SMAs) and Components" ( 
  13. ^ a b c "Ohio - Population of Counties by Decennial Census: 1900 to 1990".  
  14. ^ a b "About Metropolitan and Micropolitan Statistical Areas".  
  15. ^ "Metropolitan Areas and Components, 1983" ( 
  16. ^ "Metropolitan Statistical Areas and Components, 2003" ( 


See also

Unincorporated communities

Census-designated places




Map of Clark County, Ohio with Municipal and Township Labels


  • Clark - Shawnee Local School District
    • Shawnee High School, Springfield (the Braves)
  • Greenon Local School District
  • Northeastern Local School District
    • Kenton Ridge High School, Springfield (the Cougars)
    • Northeastern High School, Springfield (the Jets)
  • Northwestern Local School District
    • Northwestern High School, Springfield (the Warriors)
  • Southeastern Local Schools
    • Southeastern High School, South Charleston (the Trojans)
  • Springfield City School District
    • Springfield City High School, (the Wildcats)
  • Tecumseh Local School District

Public school districts


In 1983, the official name was shortened to the Springfield Metropolitan Statistical Area (Springfield MSA).[14] 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, and Montgomery.[15] This arrangement remained unchanged until 2003, when the MSA was split with Springfield's newly defined metropolitan area including only Clark County.[16]

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.[12][13] Following a term change by the Bureau of the Budget (present-day Office of Management and Budget) in 1959, the Springfield SMA became the Springfield Standard Metropolitan Statistical Area (Springfield SMSA).[14] By the census of 1960, the population had grown to 131,440, an 18 percent increase over the previous census.[13] Champaign County was added to the Springfield SMSA in 1973. The two-county area had a combined population of 187,606 in 1970.[13]

Metropolitan Statistical Area

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 for the county was $19,501. About 7.90% of families and 10.70% of the population were below the poverty line, including 14.90% of those under age 18 and 8.20% of those age 65 or over.

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.

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 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.

As of the census[11] of 2000, there were 144,742 people, 56,648 households, and 39,370 families residing in the county. The population density was 362 people per square mile (140/km²). There were 61,056 housing units at an average density of 153 per square mile (59/km²). The racial makeup of the county was 88.12% White, 8.95% Black or African American, 0.28% Native American, 0.53% Asian, 0.02% Pacific Islander, 0.53% from other races, and 1.58% from two or more races. 1.17% of the population were Hispanic 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.


Adjacent counties

According to the U.S. Census Bureau, the county has a total area of 403 square miles (1,040 km2), of which 397 square miles (1,030 km2) is land and 5.1 square miles (13 km2) (1.3%) is water.[5] It is the third-smallest county in Ohio by total area.



  • Geography 1
    • Adjacent counties 1.1
  • Demographics 2
    • Metropolitan Statistical Area 2.1
  • Education 3
    • Public school districts 3.1
  • Communities 4
    • Cities 4.1
    • Villages 4.2
    • Townships 4.3
    • Census-designated places 4.4
    • Unincorporated communities 4.5
  • See also 5
  • References 6
  • External links 7

Clark County comprises the Springfield, OH Metropolitan Statistical Area, which is also included in the Dayton-Springfield-Sidney-OH Combined Statistical Area.

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