Donnellson is located in Illinois. Donnellson, Illinois has a population of 212. Donnellson is more family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 22%.
The median household income in Donnellson, Illinois is $72,956. The median household income for the surrounding county is $50,659 compared to the national median of $61,963. The median age of people living in Donnellson is 37.4 years.
The average high temperature in July is 90.7 degrees, with an average low temperature in January of 21.1 degrees. The annual precipitation is 40.18.