Douglas is located in Allegan county Michigan with a geographic area of 1.8 square miles. The total population in Douglas is 1,107 with 51.7% male and 48.3% female. Children under age 5 represent 7.7% of the population, under age 18 equal 17.6% of the population and over age 65 is 31.7% of the population. The median household income is $53,125, per capita income is $40,964. There are a total of 600 housing units with 80.2% owner occupied. Education includes 19.7% of residents that are high school graduates and 53.7% with a bachelor's degree or higher. The average temperature in Douglas in the summer is 69 degrees, and in the winter 23 degrees.