Wilsonville is located in Illinois. Wilsonville, Illinois has a population of 672. Wilsonville is less family-centric than the surrounding county with 20.51% of the households containing married families with children. The county average for households married with children is 29.19%.
The median household income in Wilsonville, Illinois is $34,583. The median household income for the surrounding county is $53,890 compared to the national median of $57,652. The median age of people living in Wilsonville is 39.8 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 18.6 degrees. The average rainfall is approximately 40.5 inches per year, with 16.4 inches of snow per year.
