
Penn township
- County:
- Madison County
- County Seat:
- No
- Area (mi²):
- 35.281
- State:
- Iowa
Penn township is located in Madison County, Iowa. Penn township has a 2025 population of 597. Penn township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Penn township is $95,076 with a poverty rate of 10.37%. The median age in Penn township is 44.2 years: 34.7 years for males, and 48.9 years for females.