Mammoth lakes is located in Mono county California with a geographic area of 24.9 square miles. The total population in Mammoth lakes is 8,263 with 48.8% male and 51.2% female. Children under age 5 represent 3.6% of the population, under age 18 equal 25.3% of the population and over age 65 is 10.3% of the population. The median household income is $68,784, per capita income is $36,897. There are a total of 3,004 housing units with 59.6% owner occupied. Education includes 15.0% of residents that are high school graduates and 45.4% with a bachelor's degree or higher. The average temperature in Mammoth lakes in the summer is 76 degrees, and in the winter 43 degrees.