
Smithfield township
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 41.89
- State:
- Pennsylvania
Smithfield township is located in Fayette County, Pennsylvania. Smithfield township has a 2025 population of 1,482. Smithfield township is currently growing at a rate of 0.61% annually and its population has increased by 1.79% since the most recent census, which recorded a population of 1,456 in 2020.
The average household income in Smithfield township is $89,787 with a poverty rate of 6.75%. The median age in Smithfield township is 39.8 years: 35.4 years for males, and 41.8 years for females.