Senior Data: Idaho
314,391 seniors call Idaho home — 16.6% of the population.
Idaho has the largest senior population in the nation, with 29,876 residents aged 85 and older. The median age in the state is 37.1 years.
Seniors in Idaho have a median household income of $76,467. About 8.1% of seniors live below the poverty line. 33.4% report a disability.
Median Income (65+)
$76,467
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 | Ada County | 79,976 | 15.7% |
| 2 | Kootenai County | 35,003 | 19.7% |
| 3 | Canyon County | 34,795 | 14.4% |
| 4 | Bonneville County | 17,345 | 13.7% |
| 5 | Twin Falls County | 15,135 | 16.4% |
| 6 | Bannock County | 13,244 | 15.0% |
| 7 | Bonner County | 12,932 | 26.1% |
| 8 | Nez Perce County | 8,733 | 20.6% |
| 9 | Bingham County | 7,258 | 14.8% |
| 10 | Latah County | 5,834 | 14.5% |
View all 44 counties →