Forest County, Pennsylvania

Forest County
Forest County Courthouse in Tionesta
Location within the U.S. state of Pennsylvania
Pennsylvania's location within the U.S.
Coordinates: 41°31′N 79°14′W / 41.52°N 79.24°W / 41.52; -79.24
Country United States
State Pennsylvania
FoundedSeptember 1, 1857
SeatTionesta
Largest communityMarienville
Area
  Total
430 sq mi (1,100 km2)
  Land427 sq mi (1,110 km2)
  Water3.3 sq mi (9 km2)  0.8%
Population
 (2020)
  Total
6,973
  Estimate 
(2024)
6,601
  Density15.5/sq mi (6.0/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district15th
Websitewww.co.forest.pa.us

Forest County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 6,973, making it the third-least populous county in Pennsylvania. Its county seat is Tionesta. The county was created in 1848 and later organized in 1857. The county is part of the North Central region of the commonwealth.