Coffeen is located in Illinois. Coffeen, Illinois has a population of 542. Coffeen is less family-centric than the surrounding county with 20.64% of the households containing married families with children. The county average for households married with children is 24.79%.
The median household income in Coffeen, Illinois is $42,083. The median household income for the surrounding county is $59,309 compared to the national median of $69,021. The median age of people living in Coffeen is 40.1 years.
The average high temperature in July is 87.6 degrees, with an average low temperature in January of 20.4 degrees. The average rainfall is approximately 40.5 inches per year, with 13.7 inches of snow per year.