Greenfield is located in Wright county Minnesota with a geographic area of 20.4 square miles. The total population in Greenfield is 3,013 with 51.3% male and 48.7% female. Children under age 5 represent 5.1% of the population, under age 18 equal 25.0% of the population and over age 65 is 13.6% of the population. The median household income is $123,817, per capita income is $56,987. There are a total of 1,039 housing units with 94.2% owner occupied. Education includes 17.6% of residents that are high school graduates and 51.3% with a bachelor's degree or higher. The average temperature in Greenfield in the summer is 68 degrees, and in the winter 9 degrees.