2024 Demographics
Age Data for State: Illinois
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| Population by Age Group | State: Illinois | |
|---|---|---|
| Persons | % of Population | |
| 0-4 | 674,574 | 5.39% |
| 5-9 | 699,315 | 5.58% |
| 10-14 | 759,764 | 6.07% |
| 15-17 | 484,179 | 3.87% |
| 18-20 | 543,175 | 4.34% |
| 21-24 | 669,856 | 5.35% |
| 25-34 | 1,629,591 | 13.01% |
| 35-44 | 1,654,148 | 13.21% |
| 45-54 | 1,545,366 | 12.34% |
| 55-64 | 1,594,162 | 12.73% |
| 65-74 | 1,324,707 | 10.58% |
| 75-84 | 690,654 | 5.51% |
| 85+ | 256,665 | 2.05% |
| Male Population by Age Group | State: Illinois | |
|---|---|---|
| Persons | % of Male Population | |
| 0 - 4 | 344,535 | 5.61% |
| 5 - 9 | 356,946 | 5.81% |
| 10 - 14 | 387,913 | 6.31% |
| 15 - 17 | 247,799 | 4.03% |
| 18 - 20 | 277,711 | 4.52% |
| 21 - 24 | 344,741 | 5.61% |
| 25 - 34 | 819,573 | 13.34% |
| 35 - 44 | 821,004 | 13.37% |
| 45 - 54 | 760,263 | 12.38% |
| 55 - 64 | 774,909 | 12.61% |
| 65 - 74 | 620,305 | 10.10% |
| 75 - 84 | 297,883 | 4.85% |
| 85+ | 89,289 | 1.45% |
| Female Population by Age Group | State: Illinois | |
|---|---|---|
| Persons | % of Female Population | |
| 0 - 4 | 330,039 | 5.17% |
| 5 - 9 | 342,369 | 5.36% |
| 10 - 14 | 371,851 | 5.83% |
| 15 - 17 | 236,380 | 3.70% |
| 18 - 20 | 265,464 | 4.16% |
| 21 - 24 | 325,115 | 5.09% |
| 25 - 34 | 810,018 | 12.69% |
| 35 - 44 | 833,144 | 13.05% |
| 45 - 54 | 785,103 | 12.30% |
| 55 - 64 | 819,253 | 12.83% |
| 65 - 74 | 704,402 | 11.04% |
| 75 - 84 | 392,771 | 6.15% |
| 85+ | 167,376 | 2.62% |
Demographics information provided by Claritas, updated April 2024, under these terms of use.