Marion County, Ohio
|Marion County, Ohio|
Location in the state of Ohio
Ohio's location in the U.S.
|Founded||April 1, 1820|
|Named for||Francis "The Swamp Fox" Marion|
404.11 sq mi (1,047 km²)
403.76 sq mi (1,046 km²)
0.35 sq mi (1 km²), 0.09%
164.7/sq mi (64/km²)
|Time zone||Eastern: UTC-5/-4|
Marion County is a county located in the state of Ohio, United States. According to the 2010 census, it has a population of 66,501, which is an increase of 0.4% from 66,217 in 2000. Its county seat is the city of Marion and is named for General Francis "The Swamp Fox" Marion, an officer in the Revolutionary War.
The Marion Micropolitan Statistical Area includes all of Marion County.
According to the 2010 census, the county has a total area of 404.11 square miles (1,046.6 km2), of which 403.76 square miles (1,045.7 km2) (or 99.91%) is land and 0.35 square miles (0.91 km2) (or 0.09%) is water.
Adjacent counties 
- Crawford County (northeast)
- Morrow County (east)
- Delaware County (south)
- Union County (southwest)
- Hardin County (west)
- Wyandot County (northwest)
Population by year
As of the census of 2000, there were 66,217 people, 24,578 households, and 17,253 families residing in the county. The population density was 164 people per square mile (63/km²). There were 26,298 housing units at an average density of 65 per square mile (25/km²). The racial makeup of the county was 92.10% White, 5.75% Black or African American, 0.19% Native American, 0.52% Asian, 0.01% Pacific Islander, 0.49% from other races, and 0.95% from two or more races. 1.09% of the population were Hispanic or Latino of any race.
There were 24,578 households out of which 32.30% had children under the age of 18 living with them, 54.50% were married couples living together, 11.40% had a female householder with no husband present, and 29.80% were non-families. 25.10% of all households were made up of individuals and 10.90% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.98.
In the county, the population was spread out with 24.50% under the age of 18, 8.30% from 18 to 24, 30.30% from 25 to 44, 23.50% from 45 to 64, and 13.40% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 106.90 males. For every 100 females age 18 and over, there were 107.10 males.
The median income for a household in the county was $38,709, and the median income for a family was $45,297. Males had a median income of $33,179 versus $23,586 for females. The per capita income for the county was $18,255. About 7.40% of families and 9.70% of the population were below the poverty line, including 13.60% of those under age 18 and 5.50% of those age 65 or over.
Marion County is represented by two members of the Ohio House of Representatives, as it is split between the 82nd District and the 83rd District. State Representative Jeff McClain is currently serving his second term representing the constituents in the 82nd Ohio House district, and state Representative Dorothy Pelanda is serving the remainder of a two-year term that expires in 2013 on behalf of the 83rd Ohio House district. The entirety of Marion County lies in the 26th Ohio Senate District, currently represented by Marion native and Marion Catholic alumnus Dave Burke, who was appointed to the seat in July 2011.
Unincorporated communities 
See also 
- "Ohio County Profiles: Marion County" (PDF). Ohio Department of Development. Retrieved 2007-04-28.
- "Marion County QuickFacts". United States Census Bureau. Retrieved 2012-02-16.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Marion 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.
||Wyandot County||Crawford County|
|Hardin County||Morrow County|
|Union County||Delaware County|