Elkhorn is located in Walworth county Wisconsin with a geographic area of 8.1 square miles. The total population in Elkhorn is 10,034 with 46.8% male and 53.2% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.9% of the population and over age 65 is 15.4% of the population. The median household income is $63,135, per capita income is $29,266. There are a total of 4,062 housing units with 58.0% owner occupied. Education includes 26.8% of residents that are high school graduates and 26.1% with a bachelor's degree or higher. The average temperature in Elkhorn in the summer is 72 degrees, and in the winter 17 degrees.