
Penn township
- County:
- Stark County
- County Seat:
- No
- Area (mi²):
- 35.999
- State:
- Illinois
Penn township is located in Stark County, Illinois. Penn township has a 2025 population of 292. Penn township is currently declining at a rate of -2.01% annually and its population has decreased by -7.3% since the most recent census, which recorded a population of 315 in 2020.
The average household income in Penn township is $76,429 with a poverty rate of 7.82%. The median age in Penn township is 51.6 years: 56.8 years for males, and 51.3 years for females.