
Smithfield township
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 22.933
- State:
- Pennsylvania
Smithfield township is located in Fayette County, Pennsylvania. Smithfield township has a 2025 population of 7,737. Smithfield township is currently declining at a rate of -0.95% annually and its population has decreased by -2.95% since the most recent census, which recorded a population of 7,972 in 2020.
The average household income in Smithfield township is $125,911 with a poverty rate of 11.1%. The median age in Smithfield township is 45.1 years: 43.6 years for males, and 45.4 years for females.