Chelsea is a city in Suffolk County, Massachusetts, United States. It is located along the Mystic River and connected to Boston by the Tobin Bridge. As of 2026, Chelsea has a population of 40,245 and a total area of 2.2 square miles (5.7 km2). It is the smallest city in Massachusetts by land area, and the third most densely populated.
Northeast
Chelsea
Middlesex County, MA
Population
39,890
Walk Score
96 · Walker's Paradise
Median rent
$1,806
Median home value
$450,600
Settled
1624
From Wikipedia. Released under CC BY-SA.
On the National Register
Historic districts
- Revere Beach Parkway-Metropolitan Park System of Greater Boston · listed 2007
- Bellingham Square Historic District · listed 1985
- Chelsea Square Historic District · listed 1982
- Downtown Chelsea Residential Historic District · listed 1988
- Naval Hospital Boston Historic District · listed 1973
Notable landmarks
- Bellingham-Cary House · listed 1974
- Chelsea City Hall
- Chelsea Garden Cemetery · listed 2001
- Congregation Agudath Shalom · listed 1993
- Kimball, C. Henry, House · listed 1982
- Panonia Building
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