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Forest County, Pennsylvania
Forest County lies in northwestern Pennsylvania along the Allegheny River, with Tionesta as its seat and Marienville as the only other sizable settlement. It ranks among the least populous counties east of the Mississippi, and close to half its acreage lies inside the Allegheny National Forest, confining private development to a thin band of taxable parcels while SCI Forest at Marienville and timber carry employment.
Open the live Forest County map →
Forest County at a glance
- 7,000Population (2025)
- TionestaCounty seat
- 427 sq miLand area
- 16 / sq miDensity
- $52,000Median household income
- $115,000Median home value
What the live Forest County map shows
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- City Boundaries: 9
- School Boundaries: 1
- Congressional Districts: 1
- Emergency Services: 6
- Flood Zones: 2
- HUD: 1
- House Districts: 1
- Opportunity Zones: 1
- Parks & Golf: 7
- Schools: 4
- Senate Districts: 1
- Soils: 93
- Voter Precincts: 8
- Wetlands: 5
- Zip Codes: 18
Cities and towns in Forest County
Barnett Township, Green Township, Harmony Township, Hickory Township, Howe Township, Jenks Township, Kingsley Township, Tionesta Borough, Tionesta Township.
Neighboring counties
- Clarion County, PA · map
- Warren County, PA · map
- Venango County, PA · map
- Jefferson County, PA · map
- Elk County, PA · map
- McKean County, PA · map