Clinton County, Pennsylvania
County seat: Lock Haven · Population 37,870 (2025) · 890 sq mi
Clinton County is the 55th most populous of Pennsylvania's 67 counties, with 37,870 people (2025 estimate). Its county seat is Lock Haven. It is part of the District 2 region, one of the 11 PennDOT engineering districts. The map shows its 8 cities and towns and the 6 neighboring counties.
Clinton County facts
- County seat
- Lock Haven
- Population (2025 estimate)
- 37,870 +1.1% since 2020
- Land area
- 890 sq mi 15th largest of 67
- Water area
- 9 sq mi
- Population density
- 43 per sq mi
- Established
- 1839
- Same name
- One of 9 Clinton Counties in the US
- Named after
- DeWitt Clinton American politician (1769–1828)
- Largest city
- Lock Haven 8,500
- Median household income
- $60,816
- Cities and towns
- 8 plus 14 CDPs
- ZIP codes
- 16
- Time zone
- Eastern
- FIPS code
- 42035
Cities and towns in Clinton County
Clinton County has 8 incorporated cities, towns and villages. Populations count the people living inside Clinton County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Lock Haven (county seat) | City | 8,500 | |
| Avis | Borough | 1,461 | |
| Mill Hall | Borough | 1,456 | |
| Flemington | Borough | 1,256 | |
| Renovo | Borough | 1,044 | |
| Beech Creek | Borough | 732 | |
| Loganton | Borough | 466 | |
| South Renovo | Borough | 403 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Dunnstown | 1,331 | |
| Castanea | 1,138 | |
| McElhattan | 1,036 | |
| Woolrich | 815 | |
| Lamar | 570 | |
| Rauchtown | 509 | Lycoming County |
| Rote | 501 | |
| Farwell | 429 | |
| Salona | 357 | |
| North Bend | 313 | |
| Mackeyville | 279 | |
| Tylersville | 171 | |
| Clintondale | 127 | |
| Hyner | 127 |
ZIP codes in Clinton County
16 ZIP codes reach into Clinton County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 16822 also Centre County
- 16841 also Centre County
- 16848
- 16871 also Clearfield County
- 17721
- 17729 also Potter County
- 17740 also Lycoming County
- 17745 also Lycoming County
- 17747
- 17748
- 17750
- 17751
- 17760
- 17764
- 17778
- 17779
Population of Clinton County, 2020–2025
Clinton County grew by 420 people (+1.1%) between April 2020 and July 2025: 352 more deaths than births and a net gain of 827 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 37,381 |
| 2021 | 38,031 |
| 2022 | 37,890 |
| 2023 | 37,815 |
| 2024 | 37,807 |
| 2025 | 37,870 |
Neighboring counties
- Centre County southwest · 157,393 people
- Lycoming County east · 112,587 people
- Potter County north · 15,897 people
- Cameron County northwest · 4,211 people
- Clearfield County west · 78,100 people
- Union County southeast · 42,313 people
Printable Clinton 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) (90 KB)
- PNG (2400 px) (79 KB)
Paste this code to embed the map on your site:
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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