Pennsylvania township
- County:
- Mason County
- County Seat:
- No
- Area (mi²):
- 35.846
- State:
- Illinois
Pennsylvania township is located in Mason County, Illinois. Pennsylvania township has a 2026 population of 150. Pennsylvania township is currently declining at a rate of 0% annually and its population has decreased by -3.85% since the most recent census, which recorded a population of 156 in 2020.
The median household income in Pennsylvania township is $71,563 with a poverty rate of 2.72%. The median age in Pennsylvania township is 32 years: 18.4 years for males, and 32.1 years for females. For every 100 females there are 125.2 males.