Douglas is located in Cochise county Arizona with a geographic area of 10.0 square miles. The total population in Douglas is 16,292 with 60.7% male and 39.3% female. Children under age 5 represent 7.1% of the population, under age 18 equal 21.4% of the population and over age 65 is 12.6% of the population. The median household income is $38,446, per capita income is $18,683. There are a total of 4,512 housing units with 64.5% owner occupied. Education includes 26.4% of residents that are high school graduates and 18.1% with a bachelor's degree or higher. The average temperature in Douglas in the summer is 78 degrees, and in the winter 49 degrees.