
Chester township
- County:
- Randolph County
- County Seat:
- No
- Area (mi²):
- 38.301
- State:
- Illinois
Chester township is located in Randolph County, Illinois. Chester township has a 2025 population of 647. Chester township is currently declining at a rate of 0% annually and its population has decreased by -0.77% since the most recent census, which recorded a population of 652 in 2020.
The average household income in Chester township is $98,603 with a poverty rate of 2.67%. The median age in Chester township is 55.5 years: 56.1 years for males, and 55.2 years for females.