Smithfield, Pennsylvania

Smithfield, Pennsylvania
Location of Smithfield in Fayette County, Pennsylvania.
Smithfield
Location in Pennsylvania
Smithfield
Smithfield (the United States)
Coordinates: 39°47′59″N 79°48′30″W / 39.79972°N 79.80833°W / 39.79972; -79.80833
CountryUnited States
StatePennsylvania
CountyFayette
Established1799
Government
 • MayorJesse Moats
Area
 • Total
0.71 sq mi (1.85 km2)
 • Land0.71 sq mi (1.85 km2)
 • Water0 sq mi (0.00 km2)
Elevation
1,089 ft (332 m)
Population
 (2020)
 • Total
830
 • Estimate 
(2021)
817
 • Density1,154.7/sq mi (445.84/km2)
Time zoneUTC-4 (EST)
 • Summer (DST)UTC-5 (EDT)
ZIP code
15478
Area code724
FIPS code42-71320

Smithfield is a borough in Fayette County, Pennsylvania, United States. The population was 830 at the 2020 census. It is served by the Albert Gallatin Area School District. The town's largest employer is a small wire-producing plant run by Nelson Steel.