Westfield is located in Union county New jersey with a geographic area of 6.7 square miles. The total population in Westfield is 29,690 with 48.0% male and 52.0% female. Children under age 5 represent 7.5% of the population, under age 18 equal 28.4% of the population and over age 65 is 14.6% of the population. The median household income is $158,323, per capita income is $79,894. There are a total of 10,188 housing units with 80.8% owner occupied. Education includes 9.7% of residents that are high school graduates and 77.0% with a bachelor's degree or higher. The average temperature in Westfield in the summer is 73 degrees, and in the winter 34 degrees.
