
Smithfield township
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 5.502
- State:
- Pennsylvania
Smithfield township is located in Fayette County, Pennsylvania. Smithfield township has a 2025 population of 4,950. Smithfield township is currently growing at a rate of 6.54% annually and its population has increased by 7.17% since the most recent census, which recorded a population of 4,619 in 2020.
The average household income in Smithfield township is $67,141 with a poverty rate of 9.37%. The median age in Smithfield township is 39.5 years: 39.1 years for males, and 42.7 years for females.