
La Prairie township
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 36.006
- State:
- Illinois
La Prairie township is located in Adams County, Illinois. La Prairie township has a 2025 population of 349. La Prairie township is currently growing at a rate of 0.58% annually and its population has increased by 0.87% since the most recent census, which recorded a population of 346 in 2020.
The average household income in La Prairie township is $111,450 with a poverty rate of 0.86%. The median age in La Prairie township is 58.5 years: 59.3 years for males, and 58.1 years for females.