Dudley is located in Worcester county Massachusetts with a geographic area of square miles. The total population in Dudley is 11,699 with 48.1% male and 51.9% female. Children under age 5 represent 2.1% of the population, under age 18 equal 18.4% of the population and over age 65 is 15.5% of the population. The median household income is $69,659, per capita income is $31,036. There are a total of 4,103 housing units with 68.9% owner occupied. Education includes 33.7% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Dudley in the summer is 70 degrees, and in the winter 30 degrees.