
Belle Prairie City
- County:
- Hamilton County
- County Seat:
- No
- Area (mi²):
- 0.438
- State:
- Illinois
Belle Prairie City is a town located in Hamilton County, Illinois. Belle Prairie City has a 2025 population of 48. Belle Prairie City is currently declining at a rate of 0% annually and its population has decreased by -4% since the most recent census, which recorded a population of 50 in 2020.
The average household income in Belle Prairie City is $93,919 with a poverty rate of 25.53%. The median age in Belle Prairie City is 36.3 years: 48.7 years for males, and 32.4 years for females.