
Custer township
- County:
- Will County
- County Seat:
- No
- Area (mi²):
- 25.781
- State:
- Illinois
Custer township is located in Will County, Illinois. Custer township has a 2025 population of 1,336. Custer township is currently declining at a rate of -0.22% annually and its population has decreased by -1.76% since the most recent census, which recorded a population of 1,360 in 2020.
The average household income in Custer township is $109,284 with a poverty rate of 11.11%. The median age in Custer township is 40.7 years: 39.8 years for males, and 45.1 years for females.