Rochester Metro Area Counties

5 counties · 1.1 million people (2025) · 2,928 sq mi

The Rochester metro area (officially the Rochester, NY Metropolitan Statistical Area) has 5 counties in New York, with 1,056,149 people in 2025. Monroe County is the most populous.

Map of the 5 counties of the Rochester metro area with county names and major cities
The 5 counties of the Rochester metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

The 5 counties of the Rochester metro area

Sorted by population. 2 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Monroe CountyRochester750,506−1.2%657Central
Ontario CountyCanandaigua113,130+0.6%644Central
Wayne CountyLyons91,250−0%604Outlying
Livingston CountyGeneseo61,438−0.6%632Outlying
Orleans CountyAlbion39,825−1.5%391Outlying

The metro area is part of the larger Rochester-Batavia-Seneca Falls, NY Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of New York

Other metro areas

All 97 metro area county maps

Sources