County Maps US

Indiana County, Pennsylvania

A county in Pennsylvania, ranked 34 of 67 by population.

CountyFIPS 42063

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

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Population
82,878
-280 (-0.3%) since 2020
Land area
827.4
square miles. A further 0.8% of the total area is water
Population density
100
people per square mile, computed rather than published
County seat
Indiana
Seat of county government.
Established
1806
219 years ago
Largest city
Indiana borough
Population 14,697.

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 Indiana 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 Indiana 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 745 by 800 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 Indiana 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
Population82,87834th of 67710th of 3,144
Land area827.4 sq mi20th of 671,020th of 3,144
Population density100 per sq mi40th of 67917th of 3,144
Median household income$60,20859th of 672,060th of 3,143

Full data for Indiana County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population82,878Vintage 2025 Population Estimates
Population in 202083,158Vintage 2025 Population Estimates
2020 estimates base?83,236Vintage 2025 Population Estimates
Land area827.4 sq mi2025 Gazetteer Files
Water area7.0 sq mi2025 Gazetteer Files
Total area834.4 sq mi2025 Gazetteer Files
Population density?100 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,208American Community Survey 2020-2024 5-Year Estimates
Median home value$152,800American Community Survey 2020-2024 5-Year Estimates
Median age40.0American Community Survey 2020-2024 5-Year Estimates
Households32,487American Community Survey 2020-2024 5-Year Estimates
Housing units37,626American 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
-292
722 births, 1,014 deaths
Net migration
-92
More people moved out than moved in.

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

The 5 areas bordering Indiana 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
Westmoreland CountyPennsylvania50 mi349,324
Armstrong CountyPennsylvania30 mi63,698
Cambria CountyPennsylvania25 mi128,968
Jefferson CountyPennsylvania21 mi43,255
Clearfield CountyPennsylvania13 mi78,100

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.