Senior Data: Missouri
1,079,129 seniors call Missouri home — 17.5% of the population.
Missouri has the largest senior population in the nation, with 123,062 residents aged 85 and older. The median age in the state is 38.9 years.
Seniors in Missouri have a median household income of $72,691. About 9.7% of seniors live below the poverty line. 33.3% report a disability.
Median Income (65+)
$72,691
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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Largest Counties by Senior Population
| # | County | Seniors 65+ | % of Pop |
| 1 | St. Louis County | 186,150 | 18.7% |
| 2 | Jackson County | 111,391 | 15.5% |
| 3 | St. Charles County | 67,389 | 16.4% |
| 4 | Greene County | 50,744 | 16.9% |
| 5 | St. Louis city County | 43,622 | 14.9% |
| 6 | Clay County | 38,061 | 14.9% |
| 7 | Jefferson County | 36,770 | 16.1% |
| 8 | Boone County | 24,330 | 13.1% |
| 9 | Jasper County | 19,570 | 15.8% |
| 10 | Franklin County | 19,517 | 18.5% |
View all 115 counties →