Grafton is located in Massachusetts. Grafton, Massachusetts has a population of 19,003. Grafton is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 28%.
The median household income in Grafton, Massachusetts is $109,798. 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 Grafton is 43.1 years.
The average high temperature in July is 81 degrees, with an average low temperature in January of 15.2 degrees. The annual precipitation is 47.