Newton is located in Middlesex county Massachusetts with a geographic area of 17.8 square miles. The total population in Newton is 88,322 with 47.0% male and 53.0% female. Children under age 5 represent 4.3% of the population, under age 18 equal 21.3% of the population and over age 65 is 18.3% of the population. The median household income is $154,398, per capita income is $73,398. There are a total of 30,756 housing units with 71.5% owner occupied. Education includes 7.1% of residents that are high school graduates and 81.2% with a bachelor's degree or higher. The average temperature in Newton in the summer is 71 degrees, and in the winter 30 degrees.