Williamstown is located in Berkshire county Massachusetts with a geographic area of 3.4 square miles. The total population in Williamstown is 4,565 with 45.7% male and 54.3% female. Children under age 5 represent 2.2% of the population, under age 18 equal 12.8% of the population and over age 65 is 12.4% of the population. The median household income is $80,000, per capita income is $29,185. There are a total of 1,110 housing units with 58.9% owner occupied. Education includes 10.9% of residents that are high school graduates and 71.5% with a bachelor's degree or higher. The average temperature in Williamstown in the summer is 70 degrees, and in the winter 30 degrees.
