Mountain ranch is located in Calaveras county California with a geographic area of 3.9 square miles. The total population in Mountain ranch is 318 with 46.9% male and 53.1% female. Children under age 5 represent 0.0% of the population, under age 18 equal 0.0% of the population and over age 65 is 9.4% of the population. The median household income is $135,655, per capita income is $61,242. There are a total of 186 housing units with 82.3% owner occupied. Education includes 9.1% of residents that are high school graduates and 82.3% with a bachelor's degree or higher. The average temperature in Mountain ranch in the summer is 76 degrees, and in the winter 43 degrees.