
Limestone township
- County:
- Peoria County
- County Seat:
- No
- Area (mi²):
- 35.765
- State:
- Illinois
Limestone township is located in Peoria County, Illinois. Limestone township has a 2025 population of 17,795. Limestone township is currently declining at a rate of -0.3% annually and its population has decreased by -2.73% since the most recent census, which recorded a population of 18,295 in 2020.
The average household income in Limestone township is $91,021 with a poverty rate of 7.44%. The median age in Limestone township is 42.9 years: 41.7 years for males, and 44 years for females.