Cayucos is located in San luis obispo county California with a geographic area of 3.1 square miles. The total population in Cayucos is 2,228 with 50.4% male and 49.6% female. Children under age 5 represent 1.5% of the population, under age 18 equal 7.9% of the population and over age 65 is 37.9% of the population. The median household income is $70,602, per capita income is $44,789. There are a total of 1,161 housing units with 59.1% owner occupied. Education includes 18.4% of residents that are high school graduates and 37.3% with a bachelor's degree or higher. The average temperature in Cayucos in the summer is 76 degrees, and in the winter 43 degrees.