
Hempfield township
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 14.151
- State:
- Pennsylvania
Hempfield township is located in Mercer County, Pennsylvania. Hempfield township has a 2025 population of 3,597. Hempfield township is currently declining at a rate of -0.75% annually and its population has decreased by -3.49% since the most recent census, which recorded a population of 3,727 in 2020.
The average household income in Hempfield township is $75,808 with a poverty rate of 7.4%. The median age in Hempfield township is 52.7 years: 53.1 years for males, and 52.6 years for females.