Kappa is located in Woodford county Illinois with a geographic area of 0.4 square miles. The total population in Kappa is 225 with 45.3% male and 54.7% female. Children under age 5 represent 8.0% of the population, under age 18 equal 30.7% of the population and over age 65 is 4.0% of the population. The median household income is $87,500, per capita income is $46,125. There are a total of 68 housing units with 85.3% owner occupied. Education includes 32.4% of residents that are high school graduates and 35.3% with a bachelor's degree or higher. The average temperature in Kappa in the summer is 74 degrees, and in the winter 27 degrees.