Plainfield is located in Massachusetts. Plainfield, Massachusetts has a population of 713. Plainfield is less family-centric than the surrounding county with 16% households with children. The county percentage for households with children is 22%.
The median household income in Plainfield, Massachusetts is $60,250. The median household income for the surrounding county is $74,502 compared to the national median of $66,222. The median age of people living in Plainfield is 52 years.
The average high temperature in July is 81.97 degrees, with an average low temperature in January of 8.8 degrees. The annual precipitation is 56.26.