Swansea is located in Massachusetts. Swansea, Massachusetts has a population of 16,906. Swansea is less family-centric than the surrounding county with 23% households with children. The county percentage for households with children is 28%.
The median household income in Swansea, Massachusetts is $82,606. The median household income for the surrounding county is $66,742 compared to the national median of $61,963. The median age of people living in Swansea is 47.6 years.
The average high temperature in July is 82.67 degrees, with an average low temperature in January of 19.88 degrees. The annual precipitation is 46.76.