Waltham is located in Middlesex county Massachusetts with a geographic area of 12.7 square miles. The total population in Waltham is 62,597 with 48.3% male and 51.7% female. Children under age 5 represent 5.0% of the population, under age 18 equal 13.7% of the population and over age 65 is 14.5% of the population. The median household income is $95,851, per capita income is $44,977. There are a total of 23,891 housing units with 50.0% owner occupied. Education includes 18.7% of residents that are high school graduates and 56.5% with a bachelor's degree or higher. The average temperature in Waltham in the summer is 69 degrees, and in the winter 30 degrees.
