Map of Chelsea, United States

Chelsea is a city in Massachusetts, United States, with a population of about 39,398. It lies at 42.3918°N, 71.0328°W, about 12 m above sea level. Chelsea is about 638 km (397 mi) northeast of Washington, D.C., the capital. The nearest city on our map is Everett, 3 km to the northwest.

Chelsea at a glance

Region
Massachusetts
Population
39,398GeoNames
Coordinates
42.3918, -71.032842°23′30″N 71°01′58″W
Time zone
America/New_YorkUTC−05:00 / UTC−04:00 (daylight saving time)
Local time
–
Elevation
12 m (39 ft)
Distance to Washington, D.C.
638 km (397 mi)

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Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.