Chelsea is a city in Suffolk County, Massachusetts, United States, directly across the Mystic River from Boston. The 2020 census reported Chelsea as having a population of 40,787, thereby making it the second most densely populated city in Massachusetts. With a total area of 2.46 square miles, Chelsea is the smallest city in Massachusetts in terms of total area.
AdRoyal Oak Works To Support The National Trust’s Conservation And Preservation Initiatives. Become A Member And Enjoy The Shared Cultural Heritage Between Britain And The U.S.!