Knox County, Missouri
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 Route 6 Route 11 Route 15 Route 151 Route 156 Demographics As of the census of 2010, there were 4,131 people in the county, organized into 1,791 households and 1,217 families. The population density was . There were 2,317 housing units at an average density of . The racial makeup of the county was 98.51% White, 0.09% Black or African American, 0.09% Asian, 0.02% Native American, 0.16% from other races, and 1.12% from two or more races. Approximately 0.60%