Counties in Idaho by gini index, 2024

Lemhi County had the highest gini index of 44 counties in 2024, at 49.5 index. Clark County had the lowest, at 33.2 index. The median was 42.5 index and the figure for Idaho was 44.4 index. Source: the U.S. Census Bureau.

Highest49.5Lemhi County
Lowest33.2Clark County
Median42.544 counties
Idaho44.4History

All counties, 2024

CSVChart (SVG)

Lemhi CountyLemhi County: 49.5 index49.5Madison CountyMadison County: 49.4 index49.4Valley CountyValley County: 48.6 index48.6Blaine CountyBlaine County: 48.4 index48.4Bonner CountyBonner County: 48.3 index48.3Washington CountyWashington County: 48.1 index48.1Latah CountyLatah County: 47.6 index47.6Lewis CountyLewis County: 47.1 index47.1Adams CountyAdams County: 46.8 index46.8Boundary CountyBoundary County: 45.6 index45.6Ada CountyAda County: 45.1 index45.1Bannock CountyBannock County: 44.6 index44.6Benewah CountyBenewah County: 44.2 index44.2Cassia CountyCassia County: 44.2 index44.2Nez Perce CountyNez Perce County: 44.2 index44.2Twin Falls CountyTwin Falls County: 44.2 index44.2Minidoka CountyMinidoka County: 44.2 index44.2Clearwater CountyClearwater County: 43.2 index43.2Kootenai CountyKootenai County: 43 index43Gooding CountyGooding County: 43 index43Fremont CountyFremont County: 42.9 index42.9Oneida CountyOneida County: 42.6 index42.6Gem CountyGem County: 42.5 index42.5Bonneville CountyBonneville County: 42.5 index42.5Camas CountyCamas County: 42.3 index42.3Teton CountyTeton County: 42.3 index42.3Idaho CountyIdaho County: 42.3 index42.3Custer CountyCuster County: 42.2 index42.2Bingham CountyBingham County: 42.1 index42.1Butte CountyButte County: 41.6 index41.6Jerome CountyJerome County: 41.1 index41.1Owyhee CountyOwyhee County: 40.8 index40.8Bear Lake CountyBear Lake County: 40.4 index40.4Elmore CountyElmore County: 40.3 index40.3Franklin CountyFranklin County: 40.1 index40.1Caribou CountyCaribou County: 39.9 index39.9Canyon CountyCanyon County: 39.5 index39.5Shoshone CountyShoshone County: 39.2 index39.2Payette CountyPayette County: 39.1 index39.1Power CountyPower County: 38.3 index38.3Jefferson CountyJefferson County: 37.5 index37.5Lincoln CountyLincoln County: 37.1 index37.1Boise CountyBoise County: 36.5 index36.5Clark CountyClark County: 33.2 index33.2
index. Source: U.S. Census Bureau. Retrieved 2026-10-10.

Full ranking

RankCounties2024
index
Change on 2023
1Lemhi County49.50
2Madison County49.4-1.8
3Valley County48.6-2.4
4Blaine County48.4+0.4
5Bonner County48.3+1.3
6Washington County48.1+4.4
7Latah County47.6+1.5
8Lewis County47.1-0.2
9Adams County46.8-1.2
10Boundary County45.6+3.6
11Ada County45.1-0
12Bannock County44.6+0.6
13Benewah County44.2-2
13Cassia County44.2-0.1
15Nez Perce County44.2-1.1
15Twin Falls County44.2+0.6
17Minidoka County44.2+1.2
18Clearwater County43.2+0.6
19Kootenai County43+0.3
20Gooding County43-1.1
21Fremont County42.9+1.2
22Oneida County42.6+2.2
23Gem County42.5-0.9
24Bonneville County42.5-0.3
25Camas County42.3-0.6
26Teton County42.3+0.8
27Idaho County42.3-0.6
28Custer County42.2+2.7
29Bingham County42.1-0.4
30Butte County41.6-4.9
31Jerome County41.1-2.6
32Owyhee County40.8+1.6
33Bear Lake County40.4-0.9
34Elmore County40.3-1.8
35Franklin County40.1-2.1
36Caribou County39.9+1.2
37Canyon County39.50
38Shoshone County39.2-1.6
39Payette County39.1+0.2
40Power County38.3+2.8
41Jefferson County37.50
42Lincoln County37.1-1.6
43Boise County36.5+0.5
44Clark County33.2+0.8

Other periods

About this ranking

Income inequality on a 0 to 100 scale, where 0 is perfect equality.

Eurostat, equivalised disposable income after social transfers (EU-SILC), for the EU and its countries. For other countries use gini_index_world_bank, which is measured on a different basis. For the United States, ACS five-year estimate B19083 measures inequality in household money income before taxes. Census publishes a coefficient from 0 to 1; Invokely multiplies it by 100. The displayed year is the final year of the five-year period. Negative household incomes are treated as zero. This differs from the EU-SILC measure based on equivalised disposable income and should not be treated as directly comparable.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-10.

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Questions

Which county has the highest gini index?

Lemhi County, with 49.5 index in 2024, according to the U.S. Census Bureau.

Which county has the lowest gini index?

Clark County, with 33.2 index in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Retrieved 2026-10-10.

Gini index: other rankings

Counties in Idaho: more rankings