Denison Real EstateThe median home value in Denison, IL is $74,900. This is higher than the county median home value of $74,100. The national median home value is $219,700. The average price of homes sold in Denison, IL is $74,900. Approximately 68% of Denison homes are owned, compared to 16.48% rented, while 15.52% are vacant. Denison real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Denison real estate agent to arrange a tour today! Denison, Illinois has a population of 1,322. Denison is less family-centric than the surrounding county with 21.36% of the households containing married families with children. The county average for households married with children is 29.15%. The median household income in Denison, Illinois is $39,191. The median household income for the surrounding county is $44,504 compared to the national median of $57,652. The median age of people living in Denison is 48.7 years. Denison WeatherThe average high temperature in July is 88.3 degrees, with an average low temperature in January of 22.5 degrees. The average rainfall is approximately 46.1 inches per year, with 15.7 inches of snow per year. Nearby Homes for Sale |