Catheys valley is located in Mariposa county California with a geographic area of 23.6 square miles. The total population in Catheys valley is 741 with 47.6% male and 52.4% female. Children under age 5 represent 6.5% of the population, under age 18 equal 11.3% of the population and over age 65 is 25.0% of the population. The median household income is $53,600, per capita income is $26,309. There are a total of 352 housing units with 89.8% owner occupied. Education includes 32.1% of residents that are high school graduates and 27.0% with a bachelor's degree or higher. The average temperature in Catheys valley in the summer is 76 degrees, and in the winter 43 degrees.