Knox County
Also known as Knox County, Ohio, Knox County, OH
county in Ohio, United States
Key facts
- Country
- United States
- State
- Ohio
- Founded
- March 1, 1808
- Named after
- Henry Knox
- Seat
- Mount Vernon
- Largest city
- Mount Vernon
- Total
- 530 sq mi (1,400 km )
- Land
- 525 sq mi (1,360 km )
- Water
- 4.1 sq mi (11 km ) 0.8%
- Estimate 2025
- 64,002
- Density
- 122/sq mi (47/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
~9 min read
Article
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.
History
Gallery (5)
On the map
2 mapped locations