Counties in Washington by gini index, 2024

Name: Counties in Washington by gini index, 2024
Creator: U.S. Census Bureau
License: Public domain (US federal government work, citation requested)

San Juan County had the highest gini index of 39 counties in 2024, at 53.2 index. Thurston County had the lowest, at 40.3 index. The median was 44.2 index and the figure for Washington was 46.9 index. Source: the U.S. Census Bureau.

Highest53.2San Juan County

Lowest40.3Thurston County

Median44.239 counties

Washington46.9History

All counties, 2024

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2024 index	Change on 2023
1	San Juan County	53.2	+0.1
2	Whitman County	52.1	+0.4
3	Pacific County	48.8	+1.3
4	Jefferson County	48.7	-0.8
5	King County	48.3	+0.4
6	Adams County	47.9	+3.5
7	Wahkiakum County	47.9	+2.3
8	Kittitas County	47.4	+0.9
9	Chelan County	46.5	+0.9
10	Walla Walla County	46.2	-0.3
10	Whatcom County	46.2	+0.9
12	Okanogan County	45.9	+1.8
13	Stevens County	45.9	+0.8
14	Asotin County	45.6	-0.7
15	Klickitat County	45.3	-1.2
16	Spokane County	45.1	-0.1
17	Clallam County	45.1	-0.1
18	Lincoln County	44.5	+1
19	Pend Oreille County	44.5	-0.7
20	Grant County	44.2	+0.6
21	Benton County	43.8	+0.5
22	Skamania County	43.6	+1.1
23	Grays Harbor County	43.6	+0.1
24	Kitsap County	43.4	+0.3
25	Snohomish County	43.3	+0.9
26	Skagit County	43.3	-0.1
27	Columbia County	43.2	-0.3
28	Douglas County	43.1	-1.2
29	Clark County	43.1	+0.4
30	Ferry County	42.8	-3.5
31	Cowlitz County	42.5	-1
32	Yakima County	42.5	-0.2
33	Lewis County	42.4	+0.1
34	Franklin County	42.4	-0.1
35	Pierce County	42.3	+0.3
36	Island County	42	+0.3
37	Garfield County	41	0
38	Mason County	41	-1.2
39	Thurston County	40.3	-0.3

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/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?

San Juan County, with 53.2 index in 2024, according to the U.S. Census Bureau.

Which county has the lowest gini index?

Thurston County, with 40.3 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.