Attleboro is located in Bristol county Massachusetts with a geographic area of 26.8 square miles. The total population in Attleboro is 45,023 with 48.9% male and 51.1% female. Children under age 5 represent 7.8% of the population, under age 18 equal 21.7% of the population and over age 65 is 15.8% of the population. The median household income is $77,107, per capita income is $38,020. There are a total of 17,491 housing units with 68.0% owner occupied. Education includes 26.8% of residents that are high school graduates and 34.4% with a bachelor's degree or higher. The average temperature in Attleboro in the summer is 70 degrees, and in the winter 30 degrees.