Kampsville is located in Calhoun county Illinois with a geographic area of 1.0 square miles. The total population in Kampsville is 321 with 48.9% male and 51.1% female. Children under age 5 represent 6.5% of the population, under age 18 equal 29.3% of the population and over age 65 is 23.7% of the population. The median household income is $49,583, per capita income is $22,374. There are a total of 132 housing units with 64.4% owner occupied. Education includes 42.4% of residents that are high school graduates and 6.1% with a bachelor's degree or higher. The average temperature in Kampsville in the summer is 74 degrees, and in the winter 27 degrees.