County Maps US

Chautauqua County, New York

A county in New York, ranked 23 of 62 by population.

CountyFIPS 36013

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

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Population
124,126
-3,257 (-2.6%) since 2020
Land area
1,060
square miles. A further 29.3% of the total area is water
Population density
117
people per square mile, computed rather than published
County seat
Mayville
Seat of county government.
Established
1811
214 years ago
Largest city
Jamestown city
Population 27,663.

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 Chautauqua 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 Chautauqua 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 735 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 Chautauqua 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
Population124,12623rd of 62524th of 3,144
Land area1,060 sq mi13th of 62612th of 3,144
Population density117 per sq mi31st of 62810th of 3,144
Median household income$58,35161st of 622,235th of 3,143

Full data for Chautauqua County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population124,126Vintage 2025 Population Estimates
Population in 2020127,383Vintage 2025 Population Estimates
2020 estimates base?127,650Vintage 2025 Population Estimates
Land area1,060 sq mi2025 Gazetteer Files
Water area439.8 sq mi2025 Gazetteer Files
Total area1,500 sq mi2025 Gazetteer Files
Population density?117 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$58,351American Community Survey 2020-2024 5-Year Estimates
Median home value$127,900American Community Survey 2020-2024 5-Year Estimates
Median age42.9American Community Survey 2020-2024 5-Year Estimates
Households53,393American Community Survey 2020-2024 5-Year Estimates
Housing units66,476American 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
-326
1,225 births, 1,551 deaths
Net migration
-246
More people moved out than moved in.

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

The 4 areas bordering Chautauqua 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
Erie CountyPennsylvania43 mi265,832
Cattaraugus CountyNew York37 mi75,390
Warren CountyPennsylvania28 mi37,038
Erie CountyNew York19 mi946,741

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.