Perry County, Illinois

Perry County
Perry County Courthouse in Pinckneyville
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 38°05′N 89°22′W / 38.09°N 89.37°W / 38.09; -89.37
Country United States
State Illinois
FoundedJanuary 29, 1827
Named afterOliver Hazard Perry
SeatPinckneyville
Largest cityDu Quoin
Area
  Total
447 sq mi (1,160 km2)
  Land442 sq mi (1,140 km2)
  Water5.2 sq mi (13 km2)  1.2%
Population
 (2020)
  Total
20,945
  Density47/sq mi (18/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district12th
Websiteperryil.com

Perry County is a county in Illinois. According to the 2020 census, it had a population of 20,945. Its county seat is Pinckneyville. It is located in the southern portion of Illinois known as "Little Egypt".