Tewksbury is located in Middlesex county Massachusetts with a geographic area of square miles. The total population in Tewksbury is 31,154 with 46.3% male and 53.7% female. Children under age 5 represent 5.0% of the population, under age 18 equal 17.3% of the population and over age 65 is 18.3% of the population. The median household income is $104,610, per capita income is $46,482. There are a total of 11,925 housing units with 85.1% owner occupied. Education includes 27.8% of residents that are high school graduates and 43.1% with a bachelor's degree or higher. The average temperature in Tewksbury in the summer is 70 degrees, and in the winter 30 degrees.