McKean County, Pennsylvania
County seat: Smethport · Population 38,984 (2025) · 980 sq mi
McKean County is the 53rd most populous of Pennsylvania's 67 counties, with 38,984 people (2025 estimate). Its county seat is Smethport. It is part of the District 2 region, one of the 11 PennDOT engineering districts. The map shows its 7 cities and towns and the 7 neighboring counties.
McKean County facts
- County seat
- Smethport
- Population (2025 estimate)
- 38,984 −3.6% since 2020
- Land area
- 980 sq mi 11th largest of 67
- Water area
- 5 sq mi
- Population density
- 40 per sq mi
- Established
- 1804
- Named after
- Thomas McKean American Founding Father and politician (1734–1817)
- Largest city
- Bradford 7,442
- Median household income
- $62,905
- Cities and towns
- 7 plus 3 CDPs
- ZIP codes
- 22
- Time zone
- Eastern
- FIPS code
- 42083
Cities and towns in McKean County
McKean County has 7 incorporated cities, towns and villages. Populations count the people living inside McKean County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Bradford | City | 7,442 | |
| Kane | Borough | 3,463 | |
| Port Allegany | Borough | 2,031 | |
| Smethport (county seat) | Borough | 1,359 | |
| Mount Jewett | Borough | 828 | |
| Eldred | Borough | 720 | |
| Lewis Run | Borough | 550 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| University of Pittsburgh Bradford | 974 | |
| Foster Brook | 942 | |
| Rew | 200 |
ZIP codes in McKean County
22 ZIP codes reach into McKean County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 15870 also Elk County
- 16333
- 16701 also Warren County
- 16720 also Potter and Cameron counties
- 16724
- 16725
- 16726
- 16727
- 16729
- 16730
- 16731
- 16732
- 16733
- 16735 also Elk County
- 16738
- 16740
- 16743 also Potter County
- 16744
- 16745
- 16748 also Potter County
- 16749
- 16750
Population of McKean County, 2020–2025
McKean County shrank by 1,450 people (−3.6%) between April 2020 and July 2025: 1,235 more deaths than births and a net loss of 219 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 40,405 |
| 2021 | 40,350 |
| 2022 | 39,803 |
| 2023 | 39,551 |
| 2024 | 39,289 |
| 2025 | 38,984 |
Neighboring counties
- Cattaraugus County, New York north · 75,390 people
- Elk County south · 29,926 people
- Warren County west · 37,038 people
- Potter County east · 15,897 people
- Cameron County southeast · 4,211 people
- Allegany County, New York northeast · 46,800 people
- Forest County southwest · 6,614 people
Printable McKean County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (91 KB)
- PNG (2400 px) (67 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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