Knox County
Also known as Knox County, Missouri, Knox County, MO
county in Missouri, United States
Key facts
- Country
- United States
- State
- Missouri
- Founded
- February 14, 1845
- Named after
- Henry Knox
- Seat
- Edina
- Largest city
- Edina
- Total
- 507 sq mi (1,310 km )
- Land
- 504 sq mi (1,310 km )
- Water
- 2.8 sq mi (7.3 km ) 0.6%
- Estimate 2025
- 3,728
- Density
- 7.4/sq mi (2.9/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Knox County is a county located in the northeast portion of the U.S. state of Missouri. As of the 2020 census, its population was 3,744, making it the third-least populous county in Missouri. Its county seat is Edina. The county was organized February 14, 1845, and named for U.S. Secretary of War General Henry Knox.
Civil War