Knox County, Missouri

Knox County
Knox County
County
	Knox County Courthouse in Edina
	Location within the U.S. state of Missouri
	Missouri's location within the U.S.
	Coordinates: 40°07′N 92°09′W / 40.12°N 92.15°W
Country	United States
State	Missouri
Founded	February 14, 1845
Named for	Henry Knox
Seat	Edina
Largest city	Edina
Area
• Total	507 sq mi (1,310 km2)
• Land	504 sq mi (1,310 km2)
• Water	2.8 sq mi (7 km2) 0.6%
Population (2020)
• Total	3,744
• Density	7.4/sq mi (2.9/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	6th
Website	www.knoxcountymo.org

Knox County is a county located in the northeast portion of the U.S. state of Missouri. As of the 2020 census,^[1] its population was 3,744,^[2] making it the third-least populous county in Missouri. Its county seat is Edina.^[3] The county was organized February 14, 1845, and named for U.S. Secretary of War General Henry Knox.^[4]

^ "QuickFacts Knox County, Missouri".
^ "2020: DEC Redistricting Data (PL 94-171)". United States Census Bureau. Retrieved November 17, 2021.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. p. 182.