Dunlap is located in Harrison county Iowa with a geographic area of 1.2 square miles. The total population in Dunlap is 1,214 with 52.0% male and 48.0% female. Children under age 5 represent 3.2% of the population, under age 18 equal 13.1% of the population and over age 65 is 28.7% of the population. The median household income is $40,000, per capita income is $26,215. There are a total of 606 housing units with 60.2% owner occupied. Education includes 43.9% of residents that are high school graduates and 15.8% with a bachelor's degree or higher. The average temperature in Dunlap in the summer is 73 degrees, and in the winter 23 degrees.