Shelbyville is located in Illinois. Shelbyville, Illinois has a population of 4,053. Shelbyville is less family-centric than the surrounding county with 23.49% of the households containing married families with children. The county average for households married with children is 27.45%.
The median household income in Shelbyville, Illinois is $51,061. The median household income for the surrounding county is $60,103 compared to the national median of $69,021. The median age of people living in Shelbyville is 48.3 years.
The average high temperature in July is 86.3 degrees, with an average low temperature in January of 18.9 degrees. The average rainfall is approximately 40.2 inches per year, with 17 inches of snow per year.
