Monroe County, New York

County seat: Rochester · Population 750,506 (2025) · 657 sq mi

Monroe County is the 9th most populous of New York's 62 counties, with 750,506 people (2025 estimate). Its county seat is Rochester. The map shows its 11 cities and towns and the 5 neighboring counties.

Map of Monroe County, New York with cities, towns and the county boundary
Monroe 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).

Monroe County facts

County seat
Rochester
Population (2025 estimate)
750,506 −1.2% since 2020
Land area
657 sq mi 30th largest of 62
Water area
710 sq mi
Population density
1,142 per sq mi
Established
1821
Same name
One of 17 Monroe Counties in the US
Named after
James Monroe president of the United States from 1817 to 1825 (1758–1831)
Largest city
Rochester 206,108
Median household income
$76,382
Cities and towns
11 plus 10 CDPs
ZIP codes
52
Time zone
Eastern
FIPS code
36055

Cities and towns in Monroe County

Monroe County has 11 incorporated cities, towns and villages. Populations count the people living inside Monroe County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Rochester (county seat)City206,108
BrockportVillage7,736
East RochesterVillage6,132
HiltonVillage5,873
WebsterVillage5,761
FairportVillage5,326
SpencerportVillage3,592
Honeoye FallsVillage2,841
ChurchvilleVillage2,134
ScottsvilleVillage1,994
PittsfordVillage1,323

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Irondequoit50,657
Brighton36,834
Greece13,943
North Gates9,904
Rochester Institute of Technology6,959
Hamlin4,987
Clarkson4,836
Gates4,691
St. John Fisher College1,361
Nazareth College1,319

ZIP codes in Monroe County

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

Population of Monroe County, 2020–2025

Monroe County shrank by 8,879 people (−1.2%) between April 2020 and July 2025: 1,252 more deaths than births and a net loss of 7,679 people from migration.

Year (July 1)Population
2020758,384
2021754,572
2022750,469
2023748,957
2024750,294
2025750,506

Neighboring counties

Printable Monroe 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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