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
A battle was fought during the American Civil War at Newark, involving Joseph C. Porter on August 1, 1862.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.6%) is water.
Adjacent counties
- Scotland County (north)
- Clark County (northeast)
- Lewis County (east)
- Shelby County (south)
- Macon County (southwest)
- Adair County (west)
Major highways
- 20px Route 6
- 20px Route 11
- 20px Route 15
- 20px Route 151
- 20px Route 156