San diego county is located in California with a geographic area of 4,525.5 square miles. The total population in San diego county is 3,323,970 with 50.4% male and 49.6% female. Children under age 5 represent 6.2% of the population, under age 18 equal 21.6% of the population and over age 65 is 14.1% of the population. The median household income is $82,426, per capita income is $39,737. There are a total of 1,130,703 housing units with 53.9% owner occupied. Education includes 15.0% of residents that are high school graduates and 44.3% with a bachelor's degree or higher. The average temperature in San diego county in the summer is 72 degrees, and in the winter 53 degrees.
