
Du Quoin
- County:
- Perry County
- County Seat:
- No
- Area (mi²):
- 6.979
- State:
- Illinois
Du Quoin is a city located in Perry County, Illinois. Du Quoin has a 2025 population of 5,610. Du Quoin is currently declining at a rate of -0.74% annually and its population has decreased by -3.59% since the most recent census, which recorded a population of 5,819 in 2020.
The average household income in Du Quoin is $64,160 with a poverty rate of 28.25%. The median age in Du Quoin is 42.8 years: 43.1 years for males, and 42.2 years for females.