Jonesville is located in Illinois. Jonesville, Illinois has a population of 1,865.
The median household income in Jonesville, Illinois is $51,250. The median household income for the surrounding county is $54,693 compared to the national median of $57,652. The median age of people living in Jonesville is 41 years.
The average high temperature in July is 83.9 degrees, with an average low temperature in January of 13.8 degrees. The average rainfall is approximately 37.5 inches per year, with 23.7 inches of snow per year.