The median age was 38, with 50.9 percent of the total population being female and 49.1 percent male.
An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau’s American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.
Illinois population by sex
| Estimated Number | Percent of total population | |
|---|---|---|
| Male | 6,247,083 | 49.1 |
| Female | 6,469,081 | 50.9 |
| Total Population | 12,716,164 | 100 |
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