Belleville is located in Illinois. Belleville, Illinois 62226has a population of 13,829. Belleville 62226 is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 28%.
The median household income in Belleville, Illinois 62226 is $72,545. The median household income for the surrounding county is $59,624 compared to the national median of $66,222. The median age of people living in Belleville 62226 is 42.5 years.
The average high temperature in July is 89.6 degrees, with an average low temperature in January of 22.1 degrees. The annual precipitation is 39.37.