Montour County, Pennsylvania
County seat: Danville · Population 17,868 (2025) · 130 sq mi
Montour County is the 62nd most populous of Pennsylvania's 67 counties, with 17,868 people (2025 estimate). Its county seat is Danville. It is part of the District 3 region, one of the 11 PennDOT engineering districts. The map shows its 2 cities and towns and the 3 neighboring counties.
Montour County facts
- County seat
- Danville
- Population (2025 estimate)
- 17,868 −1.5% since 2020
- Land area
- 130 sq mi 67th largest of 67
- Water area
- 2 sq mi
- Population density
- 137 per sq mi
- Established
- 1850
- Named after
- Isabelle Montour, Andrew Montour
- Largest city
- Mahoning 4,469
- Median household income
- $76,976
- Cities and towns
- 2
- ZIP codes
- 10
- Time zone
- Eastern
- FIPS code
- 42093
Cities and towns in Montour County
Montour County has 2 incorporated cities, towns and villages. Populations count the people living inside Montour County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Danville (county seat) | Borough | 4,101 | |
| Washingtonville | Borough | 206 |
ZIP codes in Montour County
10 ZIP codes reach into Montour County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 17756 also Lycoming, Northumberland and Columbia counties
- 17772 also Northumberland County
- 17777 also Northumberland County
- 17815 also Columbia and Luzerne counties
- 17820 also Columbia County
- 17821 also Northumberland and Columbia counties
- 17822
- 17824 also Columbia and Northumberland counties
- 17847 also Northumberland County
- 17884
Population of Montour County, 2020–2025
Montour County shrank by 276 people (−1.5%) between April 2020 and July 2025: 175 more deaths than births and a net loss of 103 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 18,130 |
| 2021 | 18,093 |
| 2022 | 18,109 |
| 2023 | 17,968 |
| 2024 | 17,900 |
| 2025 | 17,868 |
Neighboring counties
- Northumberland County south · 89,920 people
- Columbia County east · 66,193 people
- Lycoming County northwest · 112,587 people
Printable Montour 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) (64 KB)
- PNG (2400 px) (78 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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