El dorado is located in Union county Arkansas with a geographic area of 16.2 square miles. The total population in El dorado is 17,826 with 46.8% male and 53.2% female. Children under age 5 represent 7.6% of the population, under age 18 equal 26.2% of the population and over age 65 is 16.7% of the population. The median household income is $43,409, per capita income is $25,175. There are a total of 7,065 housing units with 59.6% owner occupied. Education includes 27.8% of residents that are high school graduates and 24.5% with a bachelor's degree or higher. The average temperature in El dorado in the summer is 81 degrees, and in the winter 37 degrees.
