Kewanee is located in Henry county Illinois with a geographic area of 6.6 square miles. The total population in Kewanee is 12,622 with 47.9% male and 52.1% female. Children under age 5 represent 7.2% of the population, under age 18 equal 23.9% of the population and over age 65 is 19.9% of the population. The median household income is $40,196, per capita income is $21,170. There are a total of 5,068 housing units with 67.2% owner occupied. Education includes 38.5% of residents that are high school graduates and 16.6% with a bachelor's degree or higher. The average temperature in Kewanee in the summer is 71 degrees, and in the winter 27 degrees.
