San luis obispo is located in San luis obispo county California with a geographic area of 13.3 square miles. The total population in San luis obispo is 47,402 with 51.4% male and 48.6% female. Children under age 5 represent 3.5% of the population, under age 18 equal 11.6% of the population and over age 65 is 13.5% of the population. The median household income is $58,546, per capita income is $36,232. There are a total of 19,114 housing units with 41.1% owner occupied. Education includes 11.1% of residents that are high school graduates and 45.1% with a bachelor's degree or higher. The average temperature in San luis obispo in the summer is 64 degrees, and in the winter 43 degrees.
