
Salem township
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 13.363
- State:
- Pennsylvania
Salem township is located in Mercer County, Pennsylvania. Salem township has a 2025 population of 722. Salem township is currently declining at a rate of -0.96% annually and its population has decreased by -3.86% since the most recent census, which recorded a population of 751 in 2020.
The average household income in Salem township is $72,808 with a poverty rate of 21.97%. The median age in Salem township is 35.3 years: 38.9 years for males, and 34.1 years for females.