La mesa is located in San diego county California with a geographic area of 9.1 square miles. The total population in La mesa is 60,208 with 46.9% male and 53.1% female. Children under age 5 represent 7.6% of the population, under age 18 equal 20.7% of the population and over age 65 is 14.6% of the population. The median household income is $71,287, per capita income is $36,775. There are a total of 23,523 housing units with 42.9% owner occupied. Education includes 16.4% of residents that are high school graduates and 39.5% with a bachelor's degree or higher. The average temperature in La mesa in the summer is 72 degrees, and in the winter 43 degrees.
