Greenfield is located in Hancock county Indiana with a geographic area of 13.6 square miles. The total population in Greenfield is 22,561 with 47.1% male and 52.9% female. Children under age 5 represent 5.8% of the population, under age 18 equal 20.9% of the population and over age 65 is 18.5% of the population. The median household income is $57,950, per capita income is $29,187. There are a total of 9,151 housing units with 62.1% owner occupied. Education includes 37.1% of residents that are high school graduates and 28.3% with a bachelor's degree or higher. The average temperature in Greenfield in the summer is 73 degrees, and in the winter 29 degrees.