
Prairie township
- County:
- Shelby County
- County Seat:
- No
- Area (mi²):
- 54.156
- State:
- Illinois
Prairie township is located in Shelby County, Illinois. Prairie township has a 2025 population of 1,185. Prairie township is currently declining at a rate of -0.67% annually and its population has decreased by -1.9% since the most recent census, which recorded a population of 1,208 in 2020.
The average household income in Prairie township is $83,360 with a poverty rate of 11.78%. The median age in Prairie township is 40.9 years: 39.8 years for males, and 42.4 years for females.