Arthur is located in Douglas county Illinois with a geographic area of 1.3 square miles. The total population in Arthur is 2,180 with 44.7% male and 55.3% female. Children under age 5 represent 7.3% of the population, under age 18 equal 20.5% of the population and over age 65 is 30.1% of the population. The median household income is $62,250, per capita income is $29,574. There are a total of 951 housing units with 76.4% owner occupied. Education includes 26.8% of residents that are high school graduates and 18.9% with a bachelor's degree or higher. The average temperature in Arthur in the summer is 74 degrees, and in the winter 27 degrees.
