Susquehanna County, Pennsylvania
County seat: Montrose · Population 38,237 (2025) · 824 sq mi
Susquehanna County is the 54th most populous of Pennsylvania's 67 counties, with 38,237 people (2025 estimate). Its county seat is Montrose. It is part of the District 4 region, one of the 11 PennDOT engineering districts. The map shows its 13 cities and towns and the 6 neighboring counties.
Susquehanna County facts
- County seat
- Montrose
- Population (2025 estimate)
- 38,237 −0.5% since 2020
- Land area
- 824 sq mi 22nd largest of 67
- Water area
- 9 sq mi
- Population density
- 46 per sq mi
- Established
- 1810
- Named after
- Susquehanna River river in the northeastern United States
- Largest city
- Bridgewater 2,624
- Median household income
- $68,487
- Cities and towns
- 13 plus 6 CDPs
- ZIP codes
- 31
- Time zone
- Eastern
- FIPS code
- 42115
Cities and towns in Susquehanna County
Susquehanna County has 13 incorporated cities, towns and villages. Populations count the people living inside Susquehanna County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Forest City | Borough | 1,741 | |
| Susquehanna Depot | Borough | 1,336 | |
| Montrose (county seat) | Borough | 1,275 | |
| Hallstead | Borough | 1,167 | |
| New Milford | Borough | 796 | |
| Great Bend | Borough | 620 | |
| Oakland | Borough | 549 | |
| Lanesboro | Borough | 496 | |
| Hop Bottom | Borough | 314 | |
| Thompson | Borough | 246 | |
| Little Meadows | Borough | 243 | |
| Union Dale | Borough | 221 | |
| Friendsville | Borough | 98 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Springville | 246 | |
| South Montrose | 199 | |
| Laurel Lake | 144 | |
| Harford | 115 | |
| Lakeside | 96 | |
| Forest Lake | 89 |
ZIP codes in Susquehanna County
31 ZIP codes reach into Susquehanna County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 18407 also Lackawanna County
- 18413
- 18419 also Wyoming and Lackawanna counties
- 18421 also Wayne and Lackawanna counties
- 18430
- 18441
- 18446 also Wyoming and Lackawanna counties
- 18462 also Wayne County
- 18465 also Wayne County
- 18470 also Wayne County
- 18623 also Bradford and Wyoming counties
- 18630 also Wyoming County
- 18801
- 18812
- 18816
- 18818
- 18820
- 18821
- 18822
- 18823
- 18824
- 18825
- 18826
- 18828
- 18829 also Bradford County
- 18830 also Bradford County
- 18834
- 18842
- 18843
- 18844 also Wyoming County
- 18847 also Wayne County
Population of Susquehanna County, 2020–2025
Susquehanna County shrank by 194 people (−0.5%) between April 2020 and July 2025: 899 more deaths than births and a net gain of 724 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 38,355 |
| 2021 | 38,451 |
| 2022 | 38,157 |
| 2023 | 38,197 |
| 2024 | 38,180 |
| 2025 | 38,237 |
Neighboring counties
- Broome County, New York north · 195,736 people
- Wayne County southeast · 51,703 people
- Bradford County west · 59,600 people
- Wyoming County southwest · 25,790 people
- Lackawanna County south · 216,502 people
- Tioga County, New York northwest · 47,453 people
Printable Susquehanna 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) (97 KB)
- PNG (2400 px) (76 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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