El segundo is located in Los angeles county California with a geographic area of 5.5 square miles. The total population in El segundo is 16,575 with 50.0% male and 50.0% female. Children under age 5 represent 5.8% of the population, under age 18 equal 21.6% of the population and over age 65 is 12.5% of the population. The median household income is $115,846, per capita income is $58,570. There are a total of 6,645 housing units with 42.8% owner occupied. Education includes 10.5% of residents that are high school graduates and 57.2% with a bachelor's degree or higher. The average temperature in El segundo in the summer is 69 degrees, and in the winter 43 degrees.