
Mound City
- County:
- Pulaski County
- County Seat:
- Yes
- Area (mi²):
- 0.675
- State:
- Illinois
Mound City is a city located in Pulaski County, Illinois. Mound City has a 2025 population of 468. It is also the county seat of Pulaski County. Mound City is currently declining at a rate of -2.09% annually and its population has decreased by -10% since the most recent census, which recorded a population of 520 in 2020.
The average household income in Mound City is $53,430 with a poverty rate of 17.72%. The median age in Mound City is 37.3 years: 37.9 years for males, and 30.3 years for females.