Map of Knox County, Ohio

Knox County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 62,721. Its county seat is Mount Vernon. The county is named for Henry Knox, an officer in the American Revolutionary War who was later the first Secretary of War. Knox County comprises the Mount Vernon, OH Micropolitan Statistical Area, which is also included in the Columbus-Marion-Zanesville, OH Combined Statistical Area.

Knox County overview:
Name:	Knox County
FIPS code:	39-083
State:	Ohio
Founded:	March 1, 1808
Named for:	Henry Knox
Seat:	Mount Vernon
Largest city:	Mount Vernon
Total Area:	530 sq mi (1,400 km²)
Land Area:	525 sq mi (1,360 km²)
Total Population:	62,721
Population Density:	120/sq mi (46/km²)
Time zone:	UTC−5 (Eastern)
Summer Time Zone (DST):	UTC−4 (EDT)
Website:	www.co.knox.oh.us

Knox County location map. Where is Knox County?

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

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

History

Knox County was formed from Fairfield County in 1808.

Knox County Road Map

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

Knox CountyMap — Knox Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 530 square miles (1,400 km), of which 525 square miles (1,360 km) is land and 4.1 square miles (11 km) (0.8%) is water. Approximately 58% of the county is farmland and 28% is forested. Most of the county lies in the Glaciated Allegheny Plateau with rolling hills and valleys. Although the relief is not sharp, some elevations in the county reach over 1400 feet above sea level.