Perry County, Missouri

Perry County
County
Perry County courthouse in Perryville
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 37°43′N 89°50′W / 37.71°N 89.83°W / 37.71; -89.83
Country	United States
State	Missouri
Founded	November 16, 1820
Named for	Oliver Hazard Perry
Seat	Perryville
Largest city	Perryville
Area
• Total	484 sq mi (1,250 km2)
• Land	474 sq mi (1,230 km2)
• Water	9.8 sq mi (25 km2)  2.0%
Population  (2020)
• Total	18,956
• Density	39/sq mi (15/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	8th
Website	perrycountymo.us

Perry County is a county located in the southeastern portion of the U.S. state of Missouri. As of the 2020 census, the population was 18,956.^[1] Its county seat is Perryville.^[2] The county was officially organized on November 16, 1820 (effective January 1, 1821) from Ste. Genevieve County and was named after Oliver Hazard Perry, a naval hero of the War of 1812.