Clinton County, New York

A county in New York, ranked 34 of 62 by population.

CountyFIPS 36019

Within New York
Clinton County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Plattsburgh, the county seat, located via the 2025 Census Gazetteer.

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Population
78,138
-1,575 (-2.0%) since 2020
Land area
1,038
square miles. A further 7.1% of the total area is water
Population density
75.3
people per square mile, computed rather than published
County seat
Plattsburgh
Seat of county government.
Established
1788
237 years ago
Largest city
Plattsburgh city
Population 19,744.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Clinton County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Clinton County, New York from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 692 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Clinton County ranks

Position among the 62 counties of New York, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn New YorkNationally
Population78,13834th of 62741st of 3,144
Land area1,038 sq mi15th of 62638th of 3,144
Population density75.3 per sq mi43rd of 621,129th of 3,144
Median household income$71,22433rd of 621,115th of 3,143

Full data for Clinton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population78,138Vintage 2025 Population Estimates
Population in 202079,713Vintage 2025 Population Estimates
2020 estimates base?79,833Vintage 2025 Population Estimates
Land area1,038 sq mi2025 Gazetteer Files
Water area79.8 sq mi2025 Gazetteer Files
Total area1,118 sq mi2025 Gazetteer Files
Population density?75.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$71,224American Community Survey 2020-2024 5-Year Estimates
Median home value$180,600American Community Survey 2020-2024 5-Year Estimates
Median age41.9American Community Survey 2020-2024 5-Year Estimates
Households33,556American Community Survey 2020-2024 5-Year Estimates
Housing units37,658American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-229
595 births, 824 deaths
Net migration
+536
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 4 areas bordering Clinton County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Franklin CountyNew York41 mi46,500
Grand Isle CountyVermont35 mi7,511
Essex CountyNew York34 mi36,438
Chittenden CountyVermont1.8 mi169,115

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 62 counties of New York

Open the interactive New York county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.