Preemption Real EstatePreemption is located in Illinois. Preemption, Illinois has a population of 1,861. Preemption is more family-centric than the surrounding county with 36.25% of the households containing married families with children. The county average for households married with children is 30.44%. The median household income in Preemption, Illinois is $76,146. The median household income for the surrounding county is $55,649 compared to the national median of $57,652. The median age of people living in Preemption is 40.2 years. Preemption WeatherThe average high temperature in July is 83.9 degrees, with an average low temperature in January of 13 degrees. The average rainfall is approximately 36.9 inches per year, with 31.6 inches of snow per year. Preemption MapReal estate near PreemptionNearby CitiesNearby Cities Homes for Sale |