
Pinckneyville
- County:
- Perry County
- County Seat:
- Yes
- Area (mi²):
- 4.106
- State:
- Illinois
Pinckneyville is a city located in Perry County, Illinois. Pinckneyville has a 2025 population of 4,952. It is also the county seat of Perry County. Pinckneyville is currently declining at a rate of -0.42% annually and its population has decreased by -2.12% since the most recent census, which recorded a population of 5,059 in 2020.
The average household income in Pinckneyville is $66,396 with a poverty rate of 12.98%. The median age in Pinckneyville is 40.1 years: 37.9 years for males, and 52.3 years for females.