Winnebago is located in Illinois. Winnebago, Illinois has a population of 3,083. Winnebago is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 28%.
The median household income in Winnebago, Illinois is $81,858. The median household income for the surrounding county is $55,929 compared to the national median of $66,222. The median age of people living in Winnebago is 41.5 years.
The average high temperature in July is 83.1 degrees, with an average low temperature in January of 10.8 degrees. The annual precipitation is 36.63.