Sullivan County
Also known as Gem of the Endless Mountains, Sullivan County, Pennsylvania, Sullivan County, PA
county in Pennsylvania, United States
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- March 15, 1847
- Named after
- Charles C. Sullivan
- Seat
- Laporte
- Largest borough
- Dushore
- Total
- 452 sq mi (1,170 km )
- Land
- 450 sq mi (1,200 km )
- Water
- 2.6 sq mi (6.7 km ) 0.6%
- Estimate 2025
- 5,856
- Density
- 13/sq mi (5.0/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
Article
Sullivan County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 5,840, making it the second-least populous county in Pennsylvania. Its county seat is Laporte. The county was created on March 15, 1847, from part of Lycoming County and named for Major General John Sullivan. The county is part of the Northeast Pennsylvania region of the state.
History