Greenfield is located in Dade county Missouri with a geographic area of 1.1 square miles. The total population in Greenfield is 1,401 with 44.8% male and 55.2% female. Children under age 5 represent 7.6% of the population, under age 18 equal 23.5% of the population and over age 65 is 26.5% of the population. The median household income is $28,295, per capita income is $21,981. There are a total of 592 housing units with 60.0% owner occupied. Education includes 46.3% of residents that are high school graduates and 9.5% with a bachelor's degree or higher. The average temperature in Greenfield in the summer is 77 degrees, and in the winter 32 degrees.