County Maps US

Forest County, Pennsylvania

A county in Pennsylvania, ranked 65 of 67 by population.

CountyFIPS 42053

Within Pennsylvania
Forest County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Tionesta, the county seat, located via the 2025 Census Gazetteer.

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Population
6,614
-358 (-5.1%) since 2020
Land area
427.3
square miles. A further 0.8% of the total area is water
Population density
15.5
people per square mile, computed rather than published
County seat
Tionesta
Seat of county government.
Established
1857
168 years ago
Largest city
Tionesta borough
Population 399.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Forest County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Forest County, Pennsylvania from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 595 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Forest County ranks

Position among the 67 counties of Pennsylvania, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn PennsylvaniaNationally
Population6,61465th of 672,691st of 3,144
Land area427.3 sq mi53rd of 672,378th of 3,144
Population density15.5 per sq mi64th of 672,378th of 3,144
Median household income$52,19166th of 672,649th of 3,143

Full data for Forest County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population6,614Vintage 2025 Population Estimates
Population in 20206,972Vintage 2025 Population Estimates
2020 estimates base?6,987Vintage 2025 Population Estimates
Land area427.3 sq mi2025 Gazetteer Files
Water area3.2 sq mi2025 Gazetteer Files
Total area430.5 sq mi2025 Gazetteer Files
Population density?15.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$52,191American Community Survey 2020-2024 5-Year Estimates
Median home value$115,300American Community Survey 2020-2024 5-Year Estimates
Median age48.7American Community Survey 2020-2024 5-Year Estimates
Households1,920American Community Survey 2020-2024 5-Year Estimates
Housing units6,937American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-67
20 births, 87 deaths
Net migration
+87
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Forest County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Warren CountyPennsylvania29 mi37,038
Elk CountyPennsylvania29 mi29,926
Clarion CountyPennsylvania25 mi36,680
Venango CountyPennsylvania19 mi49,346
Jefferson CountyPennsylvania12 mi43,255
McKean CountyPennsylvaniaa single point38,984

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 67 counties of Pennsylvania

Open the interactive Pennsylvania county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.