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 2026 population of 46. Belle Prairie City is currently declining at a rate of 0% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 47 in 2020.
The median household income in Belle Prairie City is $76,071 with a poverty rate of 30.56%. The median age in Belle Prairie City is 26.5 years: 32.3 years for males, and 24.4 years for females. For every 100 females there are 80.0 males.