Map of Marion County, Ohio

Marion County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 65,359. Its county seat is Marion. The county was created in 1820 and later organized in 1824. It is named for General Francis “The Swamp Fox” Marion, a South Carolinian officer in the Revolutionary War.

Marion County comprises the Marion, OH Micropolitan Statistical Area, which is also included in the Columbus-Marion-Zanesville, OH Combined Statistical Area.

Marion County overview:
Name:	Marion County
FIPS code:	39-101
State:	Ohio
Founded:	May 1, 1824
Named for:	Francis Marion
Seat:	Marion
Largest city:	Marion
Total Area:	404 sq mi (1,050 km²)
Land Area:	404 sq mi (1,050 km²)
Total Population:	65,359
Population Density:	160/sq mi (62/km²)
Time zone:	UTC−5 (Eastern)
Summer Time Zone (DST):	UTC−4 (EDT)
Website:	www.co.marion.oh.us

Marion County location map. Where is Marion County?

Marion County location on the U.S. Map. Where is Marion County. — Location of Marion County in the the United States.

Marion County location on the Ohio map. Where is Marion County. — Location of Marion County in Ohio.

Marion County Road Map

Marion CountyStreet Map. — Street map of Marion County, Ohio. Source: OpenStreetMap (OSM)

Marion CountyMap — Marion Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 404 square miles (1,050 km), of which 404 square miles (1,050 km) is land and 0.4 square miles (1.0 km) (0.1%) is water. It is the fifth-smallest county in Ohio by total area.