Casey is located in Guthrie county Iowa with a geographic area of 0.7 square miles. The total population in Casey is 420 with 55.0% male and 45.0% female. Children under age 5 represent 2.6% of the population, under age 18 equal 20.7% of the population and over age 65 is 20.7% of the population. The median household income is $45,139, per capita income is $21,647. There are a total of 157 housing units with 74.5% owner occupied. Education includes 48.4% of residents that are high school graduates and 18.5% with a bachelor's degree or higher. The average temperature in Casey in the summer is 72 degrees, and in the winter 23 degrees.