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Population Review

What is the population of Winnebago County, IL?

Winnebago County in Illinois has a population of 283,289, per Census ACS 5-Year estimates. The median household income is $64,363 and the median age is 39.7.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Winnebago County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

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Winnebago County in Illinois has a population of 283,289, per Census ACS 5-Year estimates. The median household income is $64,363 and the median age is 39.7.