Westwood is located in Norfolk county Massachusetts with a geographic area of square miles. The total population in Westwood is 16,215 with 47.4% male and 52.6% female. Children under age 5 represent 5.1% of the population, under age 18 equal 25.4% of the population and over age 65 is 18.3% of the population. The median household income is $159,646, per capita income is $68,998. There are a total of 5,367 housing units with 86.2% owner occupied. Education includes 7.8% of residents that are high school graduates and 72.2% with a bachelor's degree or higher. The average temperature in Westwood in the summer is 70 degrees, and in the winter 30 degrees.