Gardena is located in Los angeles county California with a geographic area of 5.8 square miles. The total population in Gardena is 59,401 with 48.4% male and 51.6% female. Children under age 5 represent 5.7% of the population, under age 18 equal 19.9% of the population and over age 65 is 16.9% of the population. The median household income is $64,015, per capita income is $28,471. There are a total of 20,391 housing units with 49.1% owner occupied. Education includes 21.7% of residents that are high school graduates and 30.2% with a bachelor's degree or higher. The average temperature in Gardena in the summer is 69 degrees, and in the winter 43 degrees.