Denison is located in Jackson county Kansas with a geographic area of 0.1 square miles. The total population in Denison is 104 with 42.3% male and 57.7% female. Children under age 5 represent 13.5% of the population, under age 18 equal 16.3% of the population and over age 65 is 15.4% of the population. The median household income is $48,889, per capita income is $24,688. There are a total of 56 housing units with 80.4% owner occupied. Education includes 33.9% of residents that are high school graduates and 3.6% with a bachelor's degree or higher. The average temperature in Denison in the summer is 76 degrees, and in the winter 32 degrees.