|Darke County, Ohio|
Location in the state of Ohio
Ohio's location in the U.S.
|Founded||January 3, 1809|
|Named for||William Darke|
599.76 sq mi (1,553 km²)
598.10 sq mi (1,549 km²)
1.66 sq mi (4 km²), 0.28%
88.5/sq mi (34/km²)
|Time zone||Eastern: UTC-5/-4|
Darke County is a county located in the state of Ohio, United States. According to the 2010 census, it has a population of 52,959, which is a decrease of 0.7% from 53,309 in 2000. Its county seat is Greenville and is named for William Darke, an officer in the Revolution.
The Greenville Micropolitan Statistical Area includes all of Darke County.
According to the 2010 census, the county has a total area of 599.76 square miles (1,553.4 km2), of which 598.10 square miles (1,549.1 km2) (or 99.72%) is land and 1.66 square miles (4.3 km2) (or 0.28%) is water.
Adjacent counties 
- Mercer County (north)
- Shelby County (northeast)
- Miami County (east)
- Montgomery County (southeast)
- Preble County (south)
- Wayne County, Indiana (southwest)
- Randolph County, Indiana (west)
- Jay County, Indiana (northwest)
- Auglaize County, Ohio (northeast) (at a single point)
Darke County, Ohio, is one of the few counties in the United States to border eight other counties.
As of the census of 2000, there were 53,309 people, 20,419 households, and 14,905 families residing in the county. The population density was 89 people per square mile (34/km²). There were 21,583 housing units at an average density of 36 per square mile (14/km²). The racial makeup of the county was 98.09% White, 0.39% Black or African American, 0.17% Native American, 0.25% Asian, 0.02% Pacific Islander, 0.34% from other races, and 0.74% from two or more races. 0.86% of the population were Hispanic or Latino of any race. 43.1% were of German, 20.1% American, 8.1% English, 6.8% Irish and 5.8% French ancestry according to Census 2000.
There were 20,419 households out of which 33.30% had children under the age of 18 living with them, 61.00% were married couples living together, 8.00% had a female householder with no husband present, and 27.00% were non-families. 23.50% of all households were made up of individuals and 11.00% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.03.
In the county the population was spread out with 26.30% under the age of 18, 7.80% from 18 to 24, 27.50% from 25 to 44, 23.20% from 45 to 64, and 15.30% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 96.10 males. For every 100 females age 18 and over, there were 93.30 males.
The median income for a household in the county was $39,307, and the median income for a family was $45,735. Males had a median income of $32,933 versus $23,339 for females. The per capita income for the county was $18,670. About 6.00% of families and 8.00% of the population were below the poverty line, including 10.10% of those under age 18 and 9.20% of those age 65 or over.
Other communities 
Public school districts 
- Ansonia Local Schools
- Ansonia High School, Ansonia (the Tigers)
- Arcanum-Butler Local School District
- Arcanum High School, Arcanum (the Trojans)
- Franklin Monroe Schools
- Franklin Monroe Middle School/High School, Pitsburg (the Jets)
- Greenville City School District
- Greenville Senior High School, Greenville (the Green Wave)
- Mississinawa Valley Local School District
- Mississinawa Valley Junior/Senior High School, Union City (the Blackhawks)
- Tri-Village Local School District
- Tri-Village High School, New Madison (the Patriots)
- Versailles Exempted Village Schools
- Versailles High School, Versailles (the Tigers)
Historic places 
See also 
- "Ohio County Profiles: Darke County" (PDF). Ohio Department of Development. Retrieved 2007-04-28.
- "Darke County QuickFacts". United States Census Bureau. Retrieved 2012-02-16.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Darke County data". Ohio State University Extension Data Center. Retrieved 2007-04-28.[dead link]
- "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-11-05.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
Further reading 
- Frazer E. Wilson, History of Darke County, Ohio from Its Earliest Settlement to the Present Time: Also Biographical Sketches of Many Representative Citizens of the County. In Two Volumes. Milford, OH: Hobart Publishing Co., 1914. Volume 1 | Volume 2
- A Biographical History of Darke County, Ohio: Compendium of National Biography. Chicago: Lewis Publishing Co., 1900.
- The History of Darke County, Ohio Containing a History of the County; Its Cities, Towns, etc.; General and Local Statistics; Portraits of Early Settlers and Prominent Men; History of the Northwest Territory; History of Ohio; Map of Darke County; Constitution of the United States, Miscellaneous Matters, etc., etc. Chicago: W.H. Beers and Co., 1880.
||Jay County, Indiana||Mercer County||Shelby County|
|Randolph County, Indiana||Miami County|
|Wayne County, Indiana||Preble County||Montgomery County|