Municipal
· Massachusetts
City of Chelsea
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.
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Reference data (Census of Governments 2022)
- Census ID (PID6)
- 106075
- FIPS state
- 25
- FIPS county
- 025
- FIPS place
- 13205
- Census record name
- CITY OF CHELSEA
- Mailing address
- 500 BROADWAY, CHELSEA 02150