Chelsea, MA
Chelsea is a city in Suffolk County, Massachusetts, United States. It is located along the Mystic River and is connected to Boston by the Tobin Bridge. The 2020 census reported Chelsea has a population of 40,787, which makes it the third most densely populated city in Massachusetts. With a total area of 2.46 square miles 6.4 km2, Chelsea is officially the smallest city in Massachusetts by land area. Source: Wikipedia
