Belle Prairie City is a town located in Hamilton County, Illinois. Belle Prairie City has a 2025 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 age in Belle Prairie City is 36.3 years: 48.7 years for males, and 32.4 years for females. For every 100 females there are 74.1 males.
Data after 2023 is projected based on recent change
The racial composition of Belle Prairie City includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 47 | 100% |
Married
Widowed
Divorced
Separated
Never Married