Counties in Idaho by median household income (US single-year estimate)

Blaine County had the highest median household income (US single-year estimate) of 44 counties in 2021, at $86,735. Shoshone County had the lowest, at $47,699. The median was $58,963 and the figure for Idaho was $66,318. Source: the U.S. Census Bureau.

Highest86,735Blaine County

Lowest47,699Shoshone County

Median58,96344 counties

Idaho66,318History

Map of counties, 2021

Under 52K
52K to 57K
57K to 59K
59K to 61K
61K to 68K
68K and over

USD, 2021. Source: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

USD. Source: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2021 USD	Change on 2020
1	Blaine County	86,735	+13.7%
2	Teton County	84,015	+12.1%
3	Ada County	79,345	+8.2%
4	Jefferson County	75,957	+13.7%
5	Boise County	71,545	+28.7%
6	Bonneville County	69,880	+3.8%
7	Valley County	69,425	+10.9%
8	Kootenai County	68,043	+1.6%
9	Caribou County	66,697	+4.7%
10	Canyon County	64,301	+11.1%
11	Bingham County	63,576	-3.2%
12	Cassia County	63,356	-1.9%
13	Nez Perce County	61,951	+7.1%
14	Bonner County	61,940	+12.1%
15	Minidoka County	61,010	+8.9%
16	Oneida County	60,769	-12.4%
17	Bear Lake County	60,265	+8.2%
18	Bannock County	60,058	+10.1%
19	Franklin County	59,974	-8.3%
20	Latah County	59,436	-0.7%
21	Gooding County	59,174	+2.5%
22	Jerome County	59,040	+3%
23	Payette County	58,885	-2.1%
24	Fremont County	58,878	+0.4%
25	Gem County	58,562	-3.2%
26	Lemhi County	57,499	+17.6%
27	Twin Falls County	57,487	+4.5%
28	Power County	57,322	+26.2%
29	Camas County	57,230	-3.7%
30	Lincoln County	57,111	-2.9%
31	Madison County	55,721	+3.7%
32	Boundary County	55,285	+5.9%
33	Custer County	53,846	+1.1%
34	Benewah County	53,667	+1.2%
35	Clearwater County	53,344	+17.6%
36	Clark County	52,838	+1.3%
37	Owyhee County	52,374	-2.8%
38	Butte County	52,221	+0.3%
39	Adams County	51,829	+3.7%
40	Elmore County	51,436	+4%
41	Washington County	51,067	+3.8%
42	Idaho County	51,056	-0.3%
43	Lewis County	50,128	-4.1%
44	Shoshone County	47,699	+7.6%

Other periods

About this ranking

Household income at the middle of the distribution for one year, in US dollars of that year. United States: Census Bureau Small Area Income and Poverty Estimates (SAIPE) for the nation, states and counties.

A model-based estimate that combines the one-year American Community Survey with federal tax records and other administrative data, so every county gets a figure for a single year. The national figure is the one-year ACS estimate. Not adjusted for inflation between years. The Census Bureau advises comparing years from 2006 on only. For the five-year ACS median, which also covers cities, use median_household_income.

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. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties (Counties in Idaho by median household income (US single-year estimate), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt

MLA 9

Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties, Counties in Idaho by median household income (US single-year estimate), 2021. U.S. Census Bureau, 27 Jan. 2026, https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt. Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Counties in Idaho by median household income (US single-year estimate), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt. Also distributed by Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021.

Harvard

U.S. Census Bureau (2026) Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties, Counties in Idaho by median household income (US single-year estimate), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt, via Invokely: https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_idaho_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties: Counties in Idaho by median household income (US single-year estimate), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021. Publisher attribution: U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties: Counties in Idaho by median household income (US single-year estimate), 2021
PY  - 2026
DA  - 2026/01/27
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt
L2  - https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/idaho-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2021/2021-state-and-county/est21all.txt. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest median household income (US single-year estimate)?

Blaine County, with $86,735 in 2021, according to the U.S. Census Bureau.

Which county has the lowest median household income (US single-year estimate)?

Shoshone County, with $47,699 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Retrieved 2026-10-12.