Calimesa is located in Riverside county California with a geographic area of 14.9 square miles. The total population in Calimesa is 9,156 with 50.4% male and 49.6% female. Children under age 5 represent 5.2% of the population, under age 18 equal 21.2% of the population and over age 65 is 25.2% of the population. The median household income is $61,671, per capita income is $28,369. There are a total of 3,261 housing units with 85.7% owner occupied. Education includes 23.5% of residents that are high school graduates and 18.6% with a bachelor's degree or higher. The average temperature in Calimesa in the summer is 76 degrees, and in the winter 43 degrees.