Adel is located in Dallas county Iowa with a geographic area of 5.3 square miles. The total population in Adel is 4,924 with 48.0% male and 52.0% female. Children under age 5 represent 8.5% of the population, under age 18 equal 28.5% of the population and over age 65 is 13.3% of the population. The median household income is $66,005, per capita income is $34,553. There are a total of 1,927 housing units with 71.5% owner occupied. Education includes 23.9% of residents that are high school graduates and 38.3% with a bachelor's degree or higher. The average temperature in Adel in the summer is 72 degrees, and in the winter 23 degrees.