Copperopolis is located in Calaveras county California with a geographic area of 15.6 square miles. The total population in Copperopolis is 3,566 with 48.7% male and 51.3% female. Children under age 5 represent 8.2% of the population, under age 18 equal 20.8% of the population and over age 65 is 27.3% of the population. The median household income is $81,750, per capita income is $38,174. There are a total of 1,265 housing units with 84.8% owner occupied. Education includes 26.6% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Copperopolis in the summer is 76 degrees, and in the winter 43 degrees.