County Maps US

York County, Pennsylvania

A county in Pennsylvania, ranked 8 of 67 by population.

CountyFIPS 42133

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

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Population
473,197
+16,472 (+3.6%) since 2020
Land area
904.4
square miles. A further 0.7% of the total area is water
Population density
523
people per square mile, computed rather than published
County seat
York
Seat of county government.
Established
1749
276 years ago
Largest city
York city
Population 45,342.

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 York 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 York 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 611 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 York 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
Population473,1978th of 67157th of 3,144
Land area904.4 sq mi13th of 67833rd of 3,144
Population density523 per sq mi11th of 67272nd of 3,144
Median household income$84,8299th of 67427th of 3,143

Full data for York County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population473,197Vintage 2025 Population Estimates
Population in 2020456,725Vintage 2025 Population Estimates
2020 estimates base?456,434Vintage 2025 Population Estimates
Land area904.4 sq mi2025 Gazetteer Files
Water area6.4 sq mi2025 Gazetteer Files
Total area910.7 sq mi2025 Gazetteer Files
Population density?523 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$84,829American Community Survey 2020-2024 5-Year Estimates
Median home value$248,600American Community Survey 2020-2024 5-Year Estimates
Median age41.1American Community Survey 2020-2024 5-Year Estimates
Households181,583American Community Survey 2020-2024 5-Year Estimates
Housing units189,857American 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
+155
4,748 births, 4,593 deaths
Net migration
+3,060
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 7 areas bordering York 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
Lancaster CountyPennsylvania44 mi563,159
Adams CountyPennsylvania33 mi107,594
Cumberland CountyPennsylvania30 mi277,270
Harford CountyMaryland18 mi266,446
Dauphin CountyPennsylvania12 mi293,351
Baltimore CountyMaryland12 mi847,650
Carroll CountyMaryland11 mi176,677

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

Side by side

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.