Needham is located in Norfolk county Massachusetts with a geographic area of 12.3 square miles. The total population in Needham is 31,177 with 47.7% male and 52.3% female. Children under age 5 represent 4.8% of the population, under age 18 equal 27.3% of the population and over age 65 is 19.5% of the population. The median household income is $174,707, per capita income is $80,532. There are a total of 10,765 housing units with 84.5% owner occupied. Education includes 7.7% of residents that are high school graduates and 82.2% with a bachelor's degree or higher. The average temperature in Needham in the summer is 70 degrees, and in the winter 30 degrees.