Knoxville is located in Illinois. Knoxville, Illinois has a population of 2,859. Knoxville is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 23%.
The median household income in Knoxville, Illinois is $54,602. The median household income for the surrounding county is $46,342 compared to the national median of $66,222. The median age of people living in Knoxville is 44 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 13.5 degrees. The annual precipitation is 37.22.