Winfield is located in Scott county Tennessee with a geographic area of 6.7 square miles. The total population in Winfield is 1,126 with 49.1% male and 50.9% female. Children under age 5 represent 8.5% of the population, under age 18 equal 27.0% of the population and over age 65 is 10.4% of the population. The median household income is $35,259, per capita income is $18,425. There are a total of 456 housing units with 67.8% owner occupied. Education includes 49.8% of residents that are high school graduates and 7.5% with a bachelor's degree or higher. The average temperature in Winfield in the summer is 77 degrees, and in the winter 38 degrees.