2,101,833 seniors call Illinois home — 16.6% of the population.
Illinois has the second senior population in the nation, with 255,503 residents aged 85 and older. The median age in the state is 38.9 years.
Seniors in Illinois have a median household income of $89,563. About 9.5% of seniors live below the poverty line. 30.6% report a disability.
Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. Income data reflects households with a householder aged 65+.
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Shop MFI Medical Order lab tests| # | County | Seniors 65+ | % of Pop |
|---|---|---|---|
| 1 | Cook County | 806,307 | 15.5% |
| 2 | DuPage County | 156,135 | 16.8% |
| 3 | Lake County | 108,824 | 15.3% |
| 4 | Will County | 98,430 | 14.1% |
| 5 | Kane County | 77,378 | 15.0% |
| 6 | Winnebago County | 51,590 | 18.2% |
| 7 | McHenry County | 49,532 | 15.9% |
| 8 | Madison County | 47,601 | 18.0% |
| 9 | St. Clair County | 42,724 | 16.8% |
| 10 | Sangamon County | 36,885 | 18.9% |