Donnellson is located in Illinois. Donnellson, Illinois has a population of 194. Donnellson is less family-centric than the surrounding county with 13.64% of the households containing married families with children. The county average for households married with children is 24.36%.
The median household income in Donnellson, Illinois is $28,264. The median household income for the surrounding county is $47,807 compared to the national median of $57,652. The median age of people living in Donnellson is 52.3 years.
The average high temperature in July is 89.3 degrees, with an average low temperature in January of 21.5 degrees. The average rainfall is approximately 41 inches per year, with 14.6 inches of snow per year.