Clinton County, New York
County seat: Plattsburgh · Population 78,138 (2025) · 1,038 sq mi
Clinton County is the 34th most populous of New York's 62 counties, with 78,138 people (2025 estimate). Its county seat is Plattsburgh. The map shows its 4 cities and towns and the 4 neighboring counties.
Clinton County facts
- County seat
- Plattsburgh
- Population (2025 estimate)
- 78,138 −2.1% since 2020
- Land area
- 1,038 sq mi 15th largest of 62
- Water area
- 80 sq mi
- Population density
- 75 per sq mi
- Established
- 1788
- Same name
- One of 9 Clinton Counties in the US
- Named after
- George Clinton vice president of the United States of America from 1805 to 1812 (1739–1812)
- Largest city
- Plattsburgh 19,744
- Median household income
- $71,224
- Cities and towns
- 4 plus 14 CDPs
- ZIP codes
- 27
- Time zone
- Eastern
- FIPS code
- 36019
Cities and towns in Clinton County
Clinton County has 4 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 |
|---|---|---|---|
| Plattsburgh (county seat) | City | 19,744 | |
| Dannemora | Village | 2,562 | |
| Rouses Point | Village | 2,179 | |
| Champlain | Village | 1,122 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Peru | 1,965 | |
| Morrisonville | 1,950 | |
| Cumberland Head | 1,535 | |
| Keeseville | 1,376 | Essex County |
| Plattsburgh West | 1,328 | |
| West Chazy | 867 | |
| Altona | 544 | |
| Cadyville | 479 | |
| Au Sable Forks | 369 | |
| Mooers | 350 | |
| Redford | 340 | |
| Lyon Mountain | 312 | |
| Chazy | 240 | |
| Parc | 98 |
ZIP codes in Clinton County
27 ZIP codes reach into Clinton County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 12901
- 12903
- 12910
- 12911 also Essex County
- 12912 also Essex County
- 12918
- 12919
- 12920 also Franklin County
- 12921
- 12923
- 12924
- 12929
- 12933
- 12934
- 12935
- 12944 also Essex County
- 12952
- 12955
- 12958
- 12959
- 12962
- 12972
- 12978
- 12979
- 12981 also Franklin County
- 12985
- 12992
Population of Clinton County, 2020–2025
Clinton County shrank by 1,695 people (−2.1%) between April 2020 and July 2025: 1,189 more deaths than births and a net loss of 529 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 79,713 |
| 2021 | 79,034 |
| 2022 | 78,011 |
| 2023 | 77,905 |
| 2024 | 77,832 |
| 2025 | 78,138 |
Neighboring counties
- Franklin County west · 46,500 people
- Grand Isle County, Vermont east · 7,511 people
- Essex County south · 36,438 people
- Chittenden County, Vermont southeast · 169,115 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) (108 KB)
- PNG (2400 px) (119 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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