Winfield is located in Cowley county Kansas with a geographic area of 11.1 square miles. The total population in Winfield is 11,990 with 51.6% male and 48.4% female. Children under age 5 represent 5.2% of the population, under age 18 equal 23.3% of the population and over age 65 is 18.5% of the population. The median household income is $48,027, per capita income is $26,187. There are a total of 4,339 housing units with 59.4% owner occupied. Education includes 28.6% of residents that are high school graduates and 28.6% with a bachelor's degree or higher. The average temperature in Winfield in the summer is 78 degrees, and in the winter 32 degrees.
