Counties in Idaho by gini index

Name: Counties in Idaho by gini index, 2023
Creator: U.S. Census Bureau
License: Public domain (US federal government work, citation requested)

Madison County had the highest gini index of 44 counties in 2023, at 51.2 index. Clark County had the lowest, at 32.4 index. The median was 42.8 index and the figure for Idaho was 44.4 index. Source: the U.S. Census Bureau.

Highest51.2Madison County

Lowest32.4Clark County

Median42.844 counties

Idaho44.4History

All counties, 2023

CSV Chart (SVG)

index. Source: U.S. Census Bureau. Retrieved 2026-10-10.

Full ranking

Rank	Counties	2023 index	Change on 2022
1	Madison County	51.2	-0.6
2	Valley County	51	+4.5
3	Lemhi County	49.5	-0.1
4	Adams County	48.1	-1.8
5	Blaine County	48	+1.5
6	Lewis County	47.2	+2.9
7	Bonner County	47	+1.6
8	Butte County	46.5	-0.7
9	Benewah County	46.2	+2.4
10	Latah County	46.1	+0.5
11	Nez Perce County	45.3	-0.5
12	Ada County	45.2	+0.2
13	Cassia County	44.3	-0.4
14	Gooding County	44.1	-0.8
15	Bannock County	44.1	+0.9
16	Jerome County	43.7	+1
17	Washington County	43.7	-1
18	Twin Falls County	43.6	-1.5
19	Gem County	43.4	+0.2
20	Minidoka County	43	-0.2
21	Camas County	42.9	-1.9
22	Idaho County	42.8	-0.2
23	Bonneville County	42.8	-0.6
24	Kootenai County	42.7	-0.2
25	Clearwater County	42.6	+0.4
26	Bingham County	42.4	-0.5
27	Franklin County	42.1	+1.2
28	Elmore County	42.1	+0.3
29	Boundary County	41.9	+1
30	Fremont County	41.7	+4.2
31	Teton County	41.5	-0.1
32	Bear Lake County	41.3	-0.2
33	Shoshone County	40.8	-1.5
34	Oneida County	40.4	-0.2
35	Custer County	39.5	+0.3
36	Canyon County	39.5	+0.4
37	Owyhee County	39.1	-0.2
38	Payette County	38.9	-3
39	Caribou County	38.8	-0.9
40	Lincoln County	38.8	-0.7
41	Jefferson County	37.5	-0.7
42	Boise County	36	-1.8
43	Power County	35.5	-1.7
44	Clark County	32.4	-0.8

Other periods

2024
2023
2022
2021

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/2023/table-based-SF/data/5YRData/acsdt5y2023-b19083.dat. Retrieved 2026-10-10.

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Rank Counties in Idaho by gini index using official data, and cite the source.

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Questions

Which county has the highest gini index?

Madison County, with 51.2 index in 2023, according to the U.S. Census Bureau.

Which county has the lowest gini index?

Clark County, with 32.4 index in 2023.

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.