
Belle Prairie township
- County:
- Livingston County
- County Seat:
- No
- Area (mi²):
- 22.873
- State:
- Illinois
Belle Prairie township is located in Livingston County, Illinois. Belle Prairie township has a 2025 population of 128. Belle Prairie township is currently declining at a rate of -0.78% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 132 in 2020.
The average household income in Belle Prairie township is $122,177 with a poverty rate of 0%. The median age in Belle Prairie township is 67.1 years: 72.7 years for males, and 66.3 years for females.