Exline is located in Appanoose county Iowa with a geographic area of 1.0 square miles. The total population in Exline is 144 with 58.3% male and 41.7% female. Children under age 5 represent 5.6% of the population, under age 18 equal 26.4% of the population and over age 65 is 36.8% of the population. The median household income is $27,250, per capita income is $16,339. There are a total of 59 housing units with 78.0% owner occupied. Education includes 55.9% of residents that are high school graduates and 3.4% with a bachelor's degree or higher. The average temperature in Exline in the summer is 73 degrees, and in the winter 23 degrees.