Blue Island Real EstateBlue Island is located in Illinois. Blue Island, Illinois has a population of 22,446. Blue Island is less family-centric than the surrounding county with 23.13% of the households containing married families with children. The county average for households married with children is 30.49%. The median household income in Blue Island, Illinois is $41,340. The median household income for the surrounding county is $59,426 compared to the national median of $57,652. The median age of people living in Blue Island is 36.5 years. Blue Island WeatherThe average high temperature in July is 84.6 degrees, with an average low temperature in January of 20.9 degrees. The average rainfall is approximately 39.1 inches per year, with 37.1 inches of snow per year. Blue Island MapReal estate near Blue IslandNearby CitiesNearby Cities Homes for Sale |