Chelsea is located in Massachusetts. Chelsea, Massachusetts has a population of 40,025. Chelsea is more family-centric than the surrounding county with 33.96% of the households containing married families with children. The county average for households married with children is 23.74%.
The median household income in Chelsea, Massachusetts is $64,782. The median household income for the surrounding county is $80,260 compared to the national median of $69,021. The median age of people living in Chelsea is 33.6 years.
The average high temperature in July is 82.2 degrees, with an average low temperature in January of 19.2 degrees. The average rainfall is approximately 47.9 inches per year, with 47.5 inches of snow per year.