Erie County, New York

County seat: Buffalo · Population 946,741 (2025) · 1,043 sq mi

Erie County is the 8th most populous of New York's 62 counties, with 946,741 people (2025 estimate). Its county seat is Buffalo. The map shows its 19 cities and towns and the 5 neighboring counties.

Map of Erie County, New York with cities, towns and the county boundary
Erie 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) 204 KBPNG image 153 KBNew York county map

Erie County facts

County seat
Buffalo
Population (2025 estimate)
946,741 −0.8% since 2020
Land area
1,043 sq mi 14th largest of 62
Water area
184 sq mi
Population density
908 per sq mi
Established
1821
Same name
One of 3 Erie Counties in the US
Named after
Lake Erie one of the Great Lakes in North America
Largest city
Buffalo 274,613
Median household income
$72,839
Cities and towns
19 plus 19 CDPs
ZIP codes
72
Time zone
Eastern
FIPS code
36029

Cities and towns in Erie County

Erie County has 19 incorporated cities, towns and villages. Populations count the people living inside Erie County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Buffalo (county seat)City274,613
LackawannaCity19,452
TonawandaCity14,848
KenmoreVillage14,808
DepewVillage14,801
LancasterVillage9,995
HamburgVillage9,840
East AuroraVillage5,949
WilliamsvilleVillage5,478
SpringvilleVillage4,194
SloanVillage3,699
Orchard ParkVillage3,079
AkronVillage2,867
AldenVillage2,755
BlasdellVillage2,562
AngolaVillage2,029
North CollinsVillage1,252
GowandaVillage739Cattaraugus County
FarnhamVillage359

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Cheektowaga76,056
Tonawanda Town56,806
West Seneca45,303
Eggertsville14,894
University at Buffalo7,020
Harris Hill6,069
Grandyle Village4,912
Highland-on-the-Lake3,584
Lake Erie Beach3,279
Eden3,113
Elma Center2,814
Clarence2,673
Wanakah2,664
Clarence Center2,432
North Boston2,358
Town Line2,229
Angola on the Lake1,707
Billington Heights1,610
Holland1,024

ZIP codes in Erie County

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

Population of Erie County, 2020–2025

Erie County shrank by 7,485 people (−0.8%) between April 2020 and July 2025: 7,608 more deaths than births and a net loss of 328 people from migration.

Year (July 1)Population
2020952,491
2021952,725
2022949,276
2023947,418
2024947,783
2025946,741

Neighboring counties

Printable Erie 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.

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Sources

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