Tioga County, Pennsylvania
County seat: Wellsboro · Population 40,502 (2025) · 1,134 sq mi
Tioga County is the 51st most populous of Pennsylvania's 67 counties, with 40,502 people (2025 estimate). Its county seat is Wellsboro. It is part of the District 3 region, one of the 11 PennDOT engineering districts. The map shows its 10 cities and towns and the 5 neighboring counties.
Tioga County facts
- County seat
- Wellsboro
- Population (2025 estimate)
- 40,502 −1.3% since 2020
- Land area
- 1,134 sq mi 4th largest of 67
- Water area
- 3 sq mi
- Population density
- 36 per sq mi
- Established
- 1804
- Named after
- Tioga River river in New York and Pennsylvania, United States
- Largest city
- Charleston 3,471
- Median household income
- $64,899
- Cities and towns
- 10 plus 5 CDPs
- ZIP codes
- 25
- Time zone
- Eastern
- FIPS code
- 42117
Cities and towns in Tioga County
Tioga County has 10 incorporated cities, towns and villages. Populations count the people living inside Tioga County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Wellsboro (county seat) | Borough | 3,393 | |
| Mansfield | Borough | 2,937 | |
| Elkland | Borough | 1,772 | |
| Blossburg | Borough | 1,496 | |
| Westfield | Borough | 1,075 | |
| Lawrenceville | Borough | 702 | |
| Knoxville | Borough | 666 | |
| Tioga | Borough | 602 | |
| Liberty | Borough | 232 | |
| Roseville | Borough | 174 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Morris Run | 669 | |
| Arnot | 430 | |
| Millerton | 422 | |
| Sabinsville | 164 | |
| Mainesburg | 92 |
ZIP codes in Tioga County
25 ZIP codes reach into Tioga County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 16901
- 16911
- 16912
- 16914 also Bradford County
- 16917
- 16920
- 16921 also Potter County
- 16928
- 16929
- 16930 also Lycoming County
- 16932
- 16933
- 16935
- 16936 also Bradford County
- 16938 also Lycoming County
- 16939
- 16940
- 16942
- 16943 also Potter County
- 16946
- 16947 also Bradford County
- 16950 also Potter County
- 17724 also Bradford and Lycoming counties
- 17727 also Lycoming County
- 17765 also Lycoming and Bradford counties
Population of Tioga County, 2020–2025
Tioga County shrank by 550 people (−1.3%) between April 2020 and July 2025: 1,035 more deaths than births and a net gain of 522 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 41,025 |
| 2021 | 41,306 |
| 2022 | 40,951 |
| 2023 | 40,697 |
| 2024 | 40,563 |
| 2025 | 40,502 |
Neighboring counties
- Lycoming County south · 112,587 people
- Steuben County, New York north · 91,855 people
- Potter County west · 15,897 people
- Bradford County east · 59,600 people
- Chemung County, New York northeast · 80,415 people
Printable Tioga 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) (81 KB)
- PNG (2400 px) (68 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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