Lake isabella is located in Kern county California with a geographic area of 21.7 square miles. The total population in Lake isabella is 3,621 with 44.5% male and 55.5% female. Children under age 5 represent 2.7% of the population, under age 18 equal 28.5% of the population and over age 65 is 19.0% of the population. The median household income is $31,288, per capita income is $18,626. There are a total of 1,496 housing units with 56.9% owner occupied. Education includes 38.8% of residents that are high school graduates and 6.2% with a bachelor's degree or higher. The average temperature in Lake isabella in the summer is 76 degrees, and in the winter 43 degrees.