Counties in Idaho by GDP (US dollars)

Name: Counties in Idaho by GDP (US dollars), 2021
Creator: U.S. Bureau of Economic Analysis
License: Public domain (US federal government work, citation requested)

Ada County had the highest GDP (US dollars) of 44 counties in 2021, at $34.6 billion. Clark County had the lowest, at $39.74 million. The median was $711.44 million and the figure for Idaho was $101.59 billion. Source: the U.S. Bureau of Economic Analysis.

Highest34,604.1Ada County

Lowest39.7Clark County

Median711.444 counties

Idaho101,587History

All counties, 2021

CSV Chart (SVG)

USD million. Source: BEA. Retrieved 2026-10-08.

Full ranking

Rank	Counties	2021 USD million	Change on 2020
1	Ada County	34,604.1	+12.5%
2	Kootenai County	8,845.3	+19.3%
3	Canyon County	8,595.6	+18%
4	Bonneville County	8,088.2	+8.8%
5	Twin Falls County	4,671.4	+13.7%
6	Bannock County	3,387.9	+8.6%
7	Nez Perce County	2,544.3	+10.7%
8	Bonner County	2,029.4	+14.2%
9	Blaine County	2,012.6	+21.3%
10	Cassia County	1,734.9	+14.4%
11	Latah County	1,716.3	+14.6%
12	Bingham County	1,701.3	+8.6%
13	Madison County	1,608.6	+12.1%
14	Jerome County	1,494.1	+14.1%
15	Elmore County	1,470.5	+11.6%
16	Gooding County	1,424.5	+15.1%
17	Butte County	1,382.4	+3.4%
18	Jefferson County	1,036.2	+10.1%
19	Payette County	1,027.7	+18.3%
20	Minidoka County	966.5	+2.7%
21	Caribou County	879.7	+24%
22	Shoshone County	768.3	+29.9%
23	Valley County	654.6	+18.5%
24	Idaho County	603	+21%
25	Gem County	536.4	+18.2%
26	Washington County	495.3	+2.8%
27	Boundary County	490.4	+19.4%
28	Teton County	485	+20.1%
29	Franklin County	482.9	+12.6%
30	Owyhee County	479.5	+18.7%
31	Power County	448.8	-5.1%
32	Fremont County	443.6	+5.8%
33	Benewah County	443.5	+13%
34	Clearwater County	418.2	+12.4%
35	Lemhi County	314.1	+16.2%
36	Lincoln County	313.3	+24.1%
37	Bear Lake County	209.7	+6.1%
38	Lewis County	209.4	+27.3%
39	Boise County	208.4	+16.1%
40	Custer County	199.9	+13.6%
41	Oneida County	169.1	+21.6%
42	Adams County	157.5	+20.6%
43	Camas County	91.9	+22.1%
44	Clark County	39.7	-11.9%

Other periods

About this ranking

GDP at current prices, millions of US dollars. United States: Bureau of Economic Analysis GDP by state (the national figure is the total of the same table) and GDP by county. Other countries and the World: World Bank, converted from national currency at official annual average exchange rates.

US dollars, for the United States, its states and counties, and for every country and the World from the World Bank. For Spain and the EU in euros use gdp. Exchange rate swings move dollar values even when output does not.

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. Bureau of Economic Analysis. CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions). https://apps.bea.gov/regional/zip/CAGDP1.zip. Retrieved 2026-10-08.

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Rank Counties in Idaho by GDP (US dollars) using official data, and cite the source.

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Questions

Which county has the highest GDP (US dollars)?

Ada County, with $34.6 billion in 2021, according to the U.S. Bureau of Economic Analysis.

Which county has the lowest GDP (US dollars)?

Clark County, with $39.74 million in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions). Retrieved 2026-10-08.