Greenfield is located in Adair county Iowa with a geographic area of 1.8 square miles. The total population in Greenfield is 1,736 with 52.4% male and 47.6% female. Children under age 5 represent 3.5% of the population, under age 18 equal 17.1% of the population and over age 65 is 31.0% of the population. The median household income is $41,712, per capita income is $27,484. There are a total of 919 housing units with 57.9% owner occupied. Education includes 48.1% of residents that are high school graduates and 14.4% with a bachelor's degree or higher. The average temperature in Greenfield in the summer is 73 degrees, and in the winter 23 degrees.
