Chadwick is located in Illinois. Chadwick, Illinois has a population of 460. Chadwick is more family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 20%.
The median household income in Chadwick, Illinois is $63,745. 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 Chadwick is 44.2 years.
The average high temperature in July is 84.25 degrees, with an average low temperature in January of 8.05 degrees. The annual precipitation is 37.66.