Richest & Poorest Counties in Idaho

Idaho has 44 counties. The wealthiest county by median household income is Teton County at $99,805 , while the lowest-income county is Lewis County at $51,615 . The statewide median household income is $77,800, compared to the national median of $75,149.

Geography

Counties Zip Codes

Metric

Richest Counties in Idaho

Top 10 counties ranked by median household income.

# County Income
1 Teton County $99,805
2 Blaine County $92,566
3 Ada County $91,502
4 Jefferson County $86,679
5 Kootenai County $81,861
6 Bonneville County $79,068
7 Boise County $78,774
8 Bingham County $77,878
9 Canyon County $76,488
10 Valley County $76,078

Poorest Counties in Idaho

Bottom 10 counties ranked by median household income.

# County Income
44 Lewis County $51,615
43 Butte County $53,015
42 Lemhi County $53,202
41 Washington County $54,000
40 Clark County $55,208
39 Shoshone County $55,527
38 Camas County $57,955
37 Benewah County $59,794
36 Clearwater County $60,000
35 Madison County $60,160

All 44 Counties Ranked

Every county in Idaho ranked by median household income. Click any county for its full profile.

# County Income
1 Teton County $99,805
2 Blaine County $92,566
3 Ada County $91,502
4 Jefferson County $86,679
5 Kootenai County $81,861
6 Bonneville County $79,068
7 Boise County $78,774
8 Bingham County $77,878
9 Canyon County $76,488
10 Valley County $76,078
11 Bear Lake County $75,260
12 Oneida County $74,954
13 Fremont County $72,683
14 Nez Perce County $72,599
15 Franklin County $71,950
16 Jerome County $71,724
17 Lincoln County $71,453
18 Cassia County $70,830
19 Minidoka County $70,377
20 Caribou County $68,782
21 Payette County $67,673
22 Custer County $67,574
23 Twin Falls County $67,409
24 Boundary County $67,237
25 Bonner County $66,979
26 Bannock County $66,499
27 Idaho County $66,325
28 Latah County $65,424
29 Elmore County $65,359
30 Gem County $64,605
31 Owyhee County $64,406
32 Gooding County $63,559
33 Adams County $61,808
34 Power County $61,146
35 Madison County $60,160
36 Clearwater County $60,000
37 Benewah County $59,794
38 Camas County $57,955
39 Shoshone County $55,527
40 Clark County $55,208
41 Washington County $54,000
42 Lemhi County $53,202
43 Butte County $53,015
44 Lewis County $51,615

About This Data

All figures are estimates from the American Community Survey 2024 5-Year Estimates, published by the U.S. Census Bureau. Values are subject to sampling variability and margin of error.

Rankings are within Idaho only and may differ from national rankings. For more information, see our methodology.