San fernando is located in Los angeles county California with a geographic area of 2.4 square miles. The total population in San fernando is 24,244 with 51.1% male and 48.9% female. Children under age 5 represent 6.5% of the population, under age 18 equal 23.2% of the population and over age 65 is 11.8% of the population. The median household income is $60,655, per capita income is $23,626. There are a total of 6,466 housing units with 57.3% owner occupied. Education includes 27.2% of residents that are high school graduates and 15.2% with a bachelor's degree or higher. The average temperature in San fernando in the summer is 76 degrees, and in the winter 43 degrees.