San ardo is located in Monterey county California with a geographic area of 0.4 square miles. The total population in San ardo is 628 with 53.2% male and 46.8% female. Children under age 5 represent 21.3% of the population, under age 18 equal 39.8% of the population and over age 65 is 4.6% of the population. The median household income is $63,036, per capita income is $18,646. There are a total of 151 housing units with 39.1% owner occupied. Education includes 29.8% of residents that are high school graduates and 6.6% with a bachelor's degree or higher. The average temperature in San ardo in the summer is 76 degrees, and in the winter 43 degrees.