All Winnebago County population data above are from the US Census Bureau.
With 287,078 people, Winnebago County is the 7th most populated county in the state of Illinois out of 102 counties. But watch out, Winnebago County, because Madison County with 266,209 people and St. Clair County with 264,052 people are right behind you.
The largest Winnebago County racial/ethnic groups are White (71.1%) followed by Black (12.4%) and Hispanic (11.7%).
In 2015, the median household income of Winnebago County residents was $48,225. Winnebago County households made slightly more than Bond County households ($47,946) and Randolph County households ($48,158) . However, 16.8% of Winnebago County residents live in poverty.
The median age for Winnebago County residents is 39.2 years young.
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The District of Columbia Starter Report, shown on the left, will give you a good idea of what to expect in a Starter Report. The Winnebago County, IL report will have the same data, charts & graphs as this sample.
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