Darien is located in Walworth county Wisconsin with a geographic area of 1.3 square miles. The total population in Darien is 1,471 with 51.7% male and 48.3% female. Children under age 5 represent 5.6% of the population, under age 18 equal 25.1% of the population and over age 65 is 8.7% of the population. The median household income is $64,135, per capita income is $30,627. There are a total of 547 housing units with 67.8% owner occupied. Education includes 32.4% of residents that are high school graduates and 17.0% with a bachelor's degree or higher. The average temperature in Darien in the summer is 66 degrees, and in the winter 17 degrees.