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Chelsea
Massachusettscity
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Chelsea
Coordinates42.40°, -71.03°
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
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Overview
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.
Read more on WikipediaHistory & geography
Demographics & economy
Geography
Latitude
42.3968
Longitude
-71.0313
Water area
0.25 mi²
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Schools
Earthquake history
Photos
Sights & places nearby
Notable people from here
Geography & sun
Nearby airports
Public attention
Books about this place
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • Wikipedia