Arroyo grande is located in San luis obispo county California with a geographic area of 5.9 square miles. The total population in Arroyo grande is 17,924 with 45.7% male and 54.3% female. Children under age 5 represent 4.8% of the population, under age 18 equal 20.1% of the population and over age 65 is 23.3% of the population. The median household income is $88,068, per capita income is $39,726. There are a total of 7,026 housing units with 66.1% owner occupied. Education includes 18.8% of residents that are high school graduates and 39.3% with a bachelor's degree or higher. The average temperature in Arroyo grande in the summer is 62 degrees, and in the winter 43 degrees.
