What is the richest county in Idaho?
Teton County is the richest county in Idaho by median household income at $90,740, per Census ACS 5-Year estimates.
Context
Wealthy counties tend to cluster around major employment hubs, university towns, and resort communities. They typically combine high educational attainment, knowledge-economy jobs, and constrained housing supply that filters for affluent residents.
Top 10
| Ada County | $88,907 |
| Canyon County | $72,355 |
| Kootenai County | $77,034 |
| Bonneville County | $76,646 |
| Twin Falls County | $65,338 |
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Teton County is the richest county in Idaho by median household income at $90,740, per Census ACS 5-Year estimates.