Spencer is located in Massachusetts. Spencer, Massachusetts has a population of 12,237. Spencer is less family-centric than the surrounding county with 17% households with children. The county percentage for households with children is 28%.
The median household income in Spencer, Massachusetts is $75,170. The median household income for the surrounding county is $77,582 compared to the national median of $66,222. The median age of people living in Spencer is 44.4 years.
The average high temperature in July is 79.3 degrees, with an average low temperature in January of 15.8 degrees. The annual precipitation is 49.05.