Perry County
Also known as Perry County, Missouri, Perry County, MO
county in Missouri, United States
Key facts
- Country
- United States
- State
- Missouri
- Founded
- November 16, 1820
- Named after
- Oliver Hazard Perry
- Seat
- Perryville
- Largest city
- Perryville
- Total
- 484 sq mi (1,250 km )
- Land
- 474 sq mi (1,230 km )
- Water
- 9.8 sq mi (25 km ) 2.0%
- Estimate 2025
- 19,093
- Density
- 40.0/sq mi (15.4/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
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. Its county seat is Perryville. 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.
History