Beaver County, Pennsylvania
County seat: Beaver · Population 166,032 (2025) · 435 sq mi
Beaver County is the 21st most populous of Pennsylvania's 67 counties, with 166,032 people (2025 estimate). Its county seat is Beaver. It is part of the District 11 region, one of the 11 PennDOT engineering districts. The map shows its 32 cities and towns and the 6 neighboring counties.
Beaver County facts
- County seat
- Beaver
- Population (2025 estimate)
- 166,032 −1.3% since 2020
- Land area
- 435 sq mi 52nd largest of 67
- Water area
- 9 sq mi
- Population density
- 382 per sq mi
- Established
- 1800
- Same name
- One of 3 Beaver Counties in the US
- Named after
- Beaver River river in Pennsylvania, United States
- Largest city
- Hopewell 13,104
- Median household income
- $71,089
- Cities and towns
- 32 plus 6 CDPs
- ZIP codes
- 28
- Time zone
- Eastern
- FIPS code
- 42007
Cities and towns in Beaver County
Beaver County has 32 incorporated cities, towns and villages. Populations count the people living inside Beaver County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Economy | Borough | 9,098 | |
| Aliquippa | City | 9,002 | |
| Beaver Falls | City | 8,832 | |
| Ambridge | Borough | 6,944 | |
| New Brighton | Borough | 5,503 | |
| Monaca | Borough | 5,456 | |
| Beaver (county seat) | Borough | 4,342 | |
| Baden | Borough | 3,831 | |
| Rochester | Borough | 3,358 | |
| Ohioville | Borough | 3,317 | |
| Midland | Borough | 2,358 | |
| Conway | Borough | 2,122 | |
| Big Beaver | Borough | 1,822 | |
| Industry | Borough | 1,783 | |
| Freedom | Borough | 1,442 | |
| West Mayfield | Borough | 1,163 | |
| Bridgewater | Borough | 732 | |
| Koppel | Borough | 693 | |
| Patterson Heights | Borough | 620 | |
| Ellwood City | Borough | 588 | Lawrence County |
| East Rochester | Borough | 560 | |
| South Heights | Borough | 376 | |
| New Galilee | Borough | 321 | |
| Darlington | Borough | 246 | |
| Fallston | Borough | 245 | |
| Georgetown | Borough | 198 | |
| Eastvale | Borough | 186 | |
| Shippingport | Borough | 155 | |
| Hookstown | Borough | 129 | |
| Frankfort Springs | Borough | 112 | |
| Homewood | Borough | 88 | |
| Glasgow | Borough | 68 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Ambridge Heights | 1,501 | |
| Pine Run | 1,067 | |
| Frisco | 987 | Lawrence County |
| Wurtemburg | 221 | Lawrence County |
| Unionville | 190 | |
| Hazen | 117 |
ZIP codes in Beaver County
28 ZIP codes reach into Beaver County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 15001
- 15003 also Allegheny County
- 15005 also Allegheny County
- 15009
- 15010
- 15021 also Washington County
- 15026 also Allegheny and Washington counties
- 15027
- 15042
- 15043
- 15050
- 15052
- 15059
- 15061
- 15066
- 15074
- 15077
- 15081
- 15143 also Allegheny County
- 16037 also Butler and Lawrence counties
- 16063 also Butler County
- 16115
- 16117 also Lawrence County
- 16120 also Lawrence County
- 16123 also Lawrence County
- 16136
- 16141 also Lawrence County
- 16157 also Lawrence County
Population of Beaver County, 2020–2025
Beaver County shrank by 2,192 people (−1.3%) between April 2020 and July 2025: 4,366 more deaths than births and a net gain of 2,185 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 167,857 |
| 2021 | 166,976 |
| 2022 | 165,703 |
| 2023 | 165,680 |
| 2024 | 165,769 |
| 2025 | 166,032 |
Neighboring counties
- Allegheny County southeast · 1,225,035 people
- Lawrence County north · 83,911 people
- Columbiana County, Ohio west · 99,377 people
- Butler County northeast · 200,169 people
- Hancock County, West Virginia southwest · 27,729 people
- Washington County south · 210,802 people
Printable Beaver 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) (143 KB)
- PNG (2400 px) (113 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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