Norwalk is located in Los angeles county California with a geographic area of 9.7 square miles. The total population in Norwalk is 104,524 with 50.2% male and 49.8% female. Children under age 5 represent 7.1% of the population, under age 18 equal 23.6% of the population and over age 65 is 13.3% of the population. The median household income is $77,425, per capita income is $25,151. There are a total of 26,748 housing units with 66.1% owner occupied. Education includes 25.3% of residents that are high school graduates and 22.8% with a bachelor's degree or higher. The average temperature in Norwalk in the summer is 76 degrees, and in the winter 43 degrees.