Chautauqua County, New York

County seat: Mayville · Population 124,126 (2025) · 1,060 sq mi

Chautauqua County is the 23rd most populous of New York's 62 counties, with 124,126 people (2025 estimate). Its county seat is Mayville. The map shows its 15 cities and towns and the 4 neighboring counties.

Map of Chautauqua County, New York with cities, towns and the county boundary
Chautauqua County, New York with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 116 KBPNG image 94 KBNew York county map

Chautauqua County facts

County seat
Mayville
Population (2025 estimate)
124,126 −2.8% since 2020
Land area
1,060 sq mi 13th largest of 62
Water area
440 sq mi
Population density
117 per sq mi
Established
1808
Named after
Chautauqua Lake lake in Chautauqua County, New York, USA
Largest city
Jamestown 27,663
Median household income
$58,351
Cities and towns
15 plus 9 CDPs
ZIP codes
38
Time zone
Eastern
FIPS code
36013

Cities and towns in Chautauqua County

Chautauqua County has 15 incorporated cities, towns and villages. Populations count the people living inside Chautauqua County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
JamestownCity27,663
DunkirkCity12,326
FredoniaVillage9,283
LakewoodVillage2,922
WestfieldVillage2,888
Silver CreekVillage2,575
FalconerVillage2,210
Mayville (county seat)Village1,474
BroctonVillage1,310
CeloronVillage1,049
ShermanVillage649
SinclairvilleVillage567
CassadagaVillage553
PanamaVillage449
Bemus PointVillage305

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Jamestown West2,424
Frewsburg1,792
Ripley920
Forestville721
Sunset Bay384
Cherry Creek327
Chautauqua294
Busti282
Kennedy246

ZIP codes in Chautauqua County

38 ZIP codes reach into Chautauqua County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Chautauqua County, 2020–2025

Chautauqua County shrank by 3,524 people (−2.8%) between April 2020 and July 2025: 2,296 more deaths than births and a net loss of 1,178 people from migration.

Year (July 1)Population
2020127,383
2021126,549
2022125,558
2023125,061
2024124,697
2025124,126

Neighboring counties

Printable Chautauqua County map

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Sources

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