Suffolk County, Massachusetts Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Boston1654,423675,4660.09%13,53848.3City
Revere257,43261,876-0.9%10,0695.7City
Chelsea338,03640,585-0.74%17,1412.2City
Winthrop Town418,14719,254-0.94%9,1152.0City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Suffolk County, Massachusetts?

Boston is the largest city in Suffolk County.

What is the smallest city in Suffolk County, Massachusetts?

Winthrop Town is the smallest city in Suffolk County.

How many cities are in Suffolk County?

There are 4 cities in Suffolk County, Massachusetts.

Frequently Asked Questions