Cotter is located in Baxter county Arkansas with a geographic area of 2.4 square miles. The total population in Cotter is 1,123 with 44.4% male and 55.6% female. Children under age 5 represent 0.8% of the population, under age 18 equal 14.1% of the population and over age 65 is 39.1% of the population. The median household income is $29,423, per capita income is $20,457. There are a total of 520 housing units with 71.7% owner occupied. Education includes 25.2% of residents that are high school graduates and 21.0% with a bachelor's degree or higher. The average temperature in Cotter in the summer is 77 degrees, and in the winter 37 degrees.