Thomson is located in Illinois. Thomson, Illinois has a population of 524. Thomson is less family-centric than the surrounding county with 16% households with children. The county percentage for households with children is 20%.
The median household income in Thomson, Illinois is $57,928. The median household income for the surrounding county is $54,579 compared to the national median of $66,222. The median age of people living in Thomson is 39.7 years.
The average high temperature in July is 84.56 degrees, with an average low temperature in January of 8.03 degrees. The annual precipitation is 37.28.