Lake los angeles is located in Los angeles county California with a geographic area of 9.7 square miles. The total population in Lake los angeles is 11,926 with 46.9% male and 53.1% female. Children under age 5 represent 7.4% of the population, under age 18 equal 31.9% of the population and over age 65 is 10.7% of the population. The median household income is $47,726, per capita income is $17,504. There are a total of 3,321 housing units with 66.9% owner occupied. Education includes 32.9% of residents that are high school graduates and 10.2% with a bachelor's degree or higher. The average temperature in Lake los angeles in the summer is 76 degrees, and in the winter 43 degrees.