Census ACS 2023 · 44 counties
Richest Counties in Idaho
Income varies significantly across Idaho's 44 counties. Teton County leads with a median household income of $90,740. County-level income data reveals economic disparities within the state that statewide averages can mask — affluent suburban counties often have incomes 2-3x higher than rural counties in the same state. These differences affect school funding, public services, and quality of life.
Source: Census ACS 2023 5-Year Estimates
| # | County | Median Income | Population |
|---|---|---|---|
| 1 | Washington County | $53,608 | 10,866 |
| 2 | Valley County | $76,125 | 12,136 |
| 3 | Twin Falls County | $65,338 | 92,121 |
| 4 | Teton County | $90,740 | 12,101 |
| 5 | Shoshone County | $49,975 | 13,580 |
| 6 | Power County | $59,760 | 8,018 |
| 7 | Payette County | $65,723 | 26,190 |
| 8 | Owyhee County | $59,773 | 12,284 |
| 9 | Oneida County | $72,563 | 4,681 |
| 10 | Nez Perce County | $71,466 | 42,477 |
| 11 | Minidoka County | $70,060 | 21,922 |
| 12 | Madison County | $58,259 | 53,578 |
| 13 | Lincoln County | $66,038 | 5,276 |
| 14 | Lewis County | $49,643 | 3,649 |
| 15 | Lemhi County | $52,057 | 8,166 |
| 16 | Latah County | $65,179 | 40,315 |
| 17 | Kootenai County | $77,034 | 177,736 |
| 18 | Jerome County | $69,338 | 24,788 |
| 19 | Jefferson County | $82,952 | 32,234 |
| 20 | Idaho County | $60,975 | 17,120 |
| 21 | Gooding County | $62,395 | 15,740 |
| 22 | Gem County | $66,245 | 19,854 |
| 23 | Fremont County | $72,767 | 13,701 |
| 24 | Franklin County | $65,991 | 14,715 |
| 25 | Elmore County | $58,976 | 29,046 |
| 26 | Custer County | $56,957 | 4,411 |
| 27 | Clearwater County | $57,961 | 8,921 |
| 28 | Clark County | $52,083 | 776 |
| 29 | Cassia County | $67,042 | 25,165 |
| 30 | Caribou County | $66,653 | 7,118 |
| 31 | Canyon County | $72,355 | 242,405 |
| 32 | Camas County | $55,536 | 1,155 |
| 33 | Butte County | $43,281 | 2,654 |
| 34 | Boundary County | $62,438 | 12,695 |
| 35 | Bonneville County | $76,646 | 127,056 |
| 36 | Bonner County | $65,168 | 49,456 |
| 37 | Boise County | $77,349 | 8,045 |
| 38 | Blaine County | $84,470 | 24,579 |
| 39 | Bingham County | $76,842 | 48,993 |
| 40 | Benewah County | $56,553 | 9,913 |
| 41 | Bear Lake County | $67,304 | 6,552 |
| 42 | Bannock County | $64,080 | 88,457 |
| 43 | Adams County | $59,286 | 4,599 |
| 44 | Ada County | $88,907 | 508,052 |
More Rankings for Idaho
Frequently Asked Questions
Teton County is the #1 ranked county in Idaho by median household income, with a value of $90,740 according to Census ACS 2023 data.
Idaho has 44 counties tracked in Census ACS 2023 data.
All data comes from the American Community Survey (ACS) 2023 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 2023 5-Year estimates. Covers all counties in Idaho.