Chemung is located in Illinois. Chemung, Illinois has a population of 4,741.
The median household income in Chemung, Illinois is $52,585. The median household income for the surrounding county is $82,230 compared to the national median of $57,652. The median age of people living in Chemung is 30.1 years.
The average high temperature in July is 83.6 degrees, with an average low temperature in January of 11.9 degrees. The average rainfall is approximately 36.4 inches per year, with 29.5 inches of snow per year.