Belleville is located in Illinois. Belleville, Illinois 62221has a population of 42,463. Belleville 62221 is less family-centric than the surrounding county with 23.54% of the households containing married families with children. The county average for households married with children is 26.14%.
The median household income in Belleville, Illinois 62221 is $56,404. The median household income for the surrounding county is $63,017 compared to the national median of $69,021. The median age of people living in Belleville 62221 is 37.6 years.
The average high temperature in July is 89.1 degrees, with an average low temperature in January of 22.2 degrees. The average rainfall is approximately 42.3 inches per year, with 12.7 inches of snow per year.
