Pinckneyville, Illinois

Pinckneyville, Illinois
The Perry County Courthouse in downtown Pinckneyville
Motto: 
The friendly little city
Interactive map of Pinckneyville, Illinois
Pinckneyville
Pinckneyville
Coordinates: 38°04′51″N 89°21′50″W / 38.08083°N 89.36389°W / 38.08083; -89.36389
CountryUnited States
StateIllinois
CountyPerry
Area
 • Total
4.38 sq mi (11.35 km2)
 • Land4.11 sq mi (10.64 km2)
 • Water0.27 sq mi (0.71 km2)
Elevation
427 ft (130 m)
Population
 (2020)
 • Total
5,066
 • Density1,233.7/sq mi (476.34/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP code
62274
Area code618
FIPS code17-59884
GNIS ID2396207
Websitehttp://www.ci.pinckneyville.il.us/

Pinckneyville is a city in and the county seat of Perry County, Illinois, United States. The population was 5,066 at the 2020 census. It is named for Charles Cotesworth Pinckney, an early American diplomat and presidential candidate.

Pinckneyville is the location of the Pinckneyville Power Plant, a combustion turbine generator (CTG)-type power plant run by Ameren.