Chelsea Flag

Chelsea

County:
Suffolk County
County Seat:
No
Area (mi²):
2.219
State:
Massachusetts

Chelsea is a city located in Suffolk County, Massachusetts. Chelsea has a 2026 population of 40,245. Chelsea is currently growing at a rate of 1.82% annually but its population has decreased by -0.75% since the most recent census, which recorded a population of 40,549 in 2020.

40.2K
Total Population
18,139
Density (mi²)
719 1.82%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)