Counties in Idaho by population speaking a language other than English at home

Jerome County had the highest population speaking a language other than English at home of 44 counties in 2023, at 33.7%. Adams County had the lowest, at 1.6%. The median was 8.3% and the figure for Idaho was 10.7%. Source: the U.S. Census Bureau.

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Highest33.7Jerome County
Lowest1.6Adams County
Median8.344 counties
Idaho10.7History

Map of counties, 2023

Ada County: 9 %Adams County: 1.6 %Bannock County: 5.8 %Bear Lake County: 4.7 %Benewah County: 3.7 %Bingham County: 13.7 %Blaine County: 23.4 %Boise County: 6.1 %Bonner County: 3.7 %Bonneville County: 9.7 %Boundary County: 6.7 %Butte County: 7.7 %Camas County: 5.5 %Canyon County: 18.4 %Caribou County: 4.1 %Cassia County: 21.1 %Clark County: 28.7 %Clearwater County: 2.9 %Custer County: 1.8 %Elmore County: 13.9 %Franklin County: 6.4 %Fremont County: 10.5 %Gem County: 9.2 %Gooding County: 28.1 %Idaho County: 4.8 %Jefferson County: 11.2 %Jerome County: 33.7 %Kootenai County: 3.5 %Latah County: 5.7 %Lemhi County: 1.7 %Lewis County: 4.2 %Lincoln County: 25.7 %Madison County: 9.9 %Minidoka County: 24.7 %Nez Perce County: 3.5 %Oneida County: 7.2 %Owyhee County: 20.6 %Payette County: 11 %Power County: 29.1 %Shoshone County: 2.2 %Teton County: 14.6 %Twin Falls County: 14.6 %Valley County: 2.1 %Washington County: 12.9 %
  • Under 3.5
  • 3.5 to 5.6
  • 5.6 to 8.3
  • 8.3 to 12
  • 12 to 21
  • 21 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Jerome County: 33.7 %Jerome County33.7Power County: 29.1 %Power County29.1Clark County: 28.7 %Clark County28.7Gooding County: 28.1 %Gooding County28.1Lincoln County: 25.7 %Lincoln County25.7Minidoka County: 24.7 %Minidoka County24.7Blaine County: 23.4 %Blaine County23.4Cassia County: 21.1 %Cassia County21.1Owyhee County: 20.6 %Owyhee County20.6Canyon County: 18.4 %Canyon County18.4Twin Falls County: 14.6 %Twin Falls County14.6Teton County: 14.6 %Teton County14.6Elmore County: 13.9 %Elmore County13.9Bingham County: 13.7 %Bingham County13.7Washington County: 12.9 %Washington County12.9Jefferson County: 11.2 %Jefferson County11.2Payette County: 11 %Payette County11Fremont County: 10.5 %Fremont County10.5Madison County: 9.9 %Madison County9.9Bonneville County: 9.7 %Bonneville County9.7Gem County: 9.2 %Gem County9.2Ada County: 9 %Ada County9Butte County: 7.7 %Butte County7.7Oneida County: 7.2 %Oneida County7.2Boundary County: 6.7 %Boundary County6.7Franklin County: 6.4 %Franklin County6.4Boise County: 6.1 %Boise County6.1Bannock County: 5.8 %Bannock County5.8Latah County: 5.7 %Latah County5.7Camas County: 5.5 %Camas County5.5Idaho County: 4.8 %Idaho County4.8Bear Lake County: 4.7 %Bear Lake County4.7Lewis County: 4.2 %Lewis County4.2Caribou County: 4.1 %Caribou County4.1Benewah County: 3.7 %Benewah County3.7Bonner County: 3.7 %Bonner County3.7Kootenai County: 3.5 %Kootenai County3.5Nez Perce County: 3.5 %Nez Perce County3.5Clearwater County: 2.9 %Clearwater County2.9Shoshone County: 2.2 %Shoshone County2.2Valley County: 2.1 %Valley County2.1Custer County: 1.8 %Custer County1.8Lemhi County: 1.7 %Lemhi County1.7Adams County: 1.6 %Adams County1.6Jerome County: 33.7 %Jerome County33.7Power County: 29.1 %Power County29.1Clark County: 28.7 %Clark County28.7Gooding County: 28.1 %Gooding County28.1Lincoln County: 25.7 %Lincoln County25.7Minidoka County: 24.7 %Minidoka County24.7Blaine County: 23.4 %Blaine County23.4Cassia County: 21.1 %Cassia County21.1Owyhee County: 20.6 %Owyhee County20.6Canyon County: 18.4 %Canyon County18.4Twin Falls County: 14.6 %Twin Falls County14.6Teton County: 14.6 %Teton County14.6Elmore County: 13.9 %Elmore County13.9Bingham County: 13.7 %Bingham County13.7Washington County: 12.9 %Washington County12.9Jefferson County: 11.2 %Jefferson County11.2Payette County: 11 %Payette County11Fremont County: 10.5 %Fremont County10.5Madison County: 9.9 %Madison County9.9Bonneville County: 9.7 %Bonneville County9.7Gem County: 9.2 %Gem County9.2Ada County: 9 %Ada County9Butte County: 7.7 %Butte County7.7Oneida County: 7.2 %Oneida County7.2Boundary County: 6.7 %Boundary County6.7Franklin County: 6.4 %Franklin County6.4Boise County: 6.1 %Boise County6.1Bannock County: 5.8 %Bannock County5.8Latah County: 5.7 %Latah County5.7Camas County: 5.5 %Camas County5.5Idaho County: 4.8 %Idaho County4.8Bear Lake County: 4.7 %Bear Lake County4.7Lewis County: 4.2 %Lewis County4.2Caribou County: 4.1 %Caribou County4.1Benewah County: 3.7 %Benewah County3.7Bonner County: 3.7 %Bonner County3.7Kootenai County: 3.5 %Kootenai County3.5Nez Perce County: 3.5 %Nez Perce County3.5Clearwater County: 2.9 %Clearwater County2.9Shoshone County: 2.2 %Shoshone County2.2Valley County: 2.1 %Valley County2.1Custer County: 1.8 %Custer County1.8Lemhi County: 1.7 %Lemhi County1.7Adams County: 1.6 %Adams County1.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Jerome County33.7+0.4 pts
2Power County29.1+3.1 pts
3Clark County28.7-13.5 pts
4Gooding County28.1+2.8 pts
5Lincoln County25.7-0.6 pts
6Minidoka County24.7-0.8 pts
7Blaine County23.4-1.7 pts
8Cassia County21.1+1.4 pts
9Owyhee County20.6-0.7 pts
10Canyon County18.4-0.5 pts
11Twin Falls County14.6-0.6 pts
12Teton County14.6+1.3 pts
13Elmore County13.9+0.1 pts
14Bingham County13.7+0.2 pts
15Washington County12.9-1.5 pts
16Jefferson County11.2-1 pts
17Payette County11-0.9 pts
18Fremont County10.5-0.8 pts
19Madison County9.9-0.3 pts
20Bonneville County9.7+0.2 pts
21Gem County9.2-0.7 pts
22Ada County9+0.3 pts
23Butte County7.7+0.1 pts
24Oneida County7.2+0.1 pts
25Boundary County6.7+0.4 pts
26Franklin County6.4+1.1 pts
27Boise County6.1+0.5 pts
28Bannock County5.8-0.1 pts
29Latah County5.70 pts
30Camas County5.5-1.3 pts
31Idaho County4.8+0.4 pts
32Bear Lake County4.7+0.8 pts
33Lewis County4.2-1.7 pts
34Caribou County4.1-1.4 pts
35Benewah County3.7-0.6 pts
35Bonner County3.7+0.5 pts
37Kootenai County3.50 pts
38Nez Perce County3.5-0.2 pts
39Clearwater County2.9-0.6 pts
40Shoshone County2.20 pts
41Valley County2.1+0.5 pts
42Custer County1.8-0.6 pts
43Lemhi County1.7-0 pts
44Adams County1.6-1 pts

Other periods

About this ranking

People aged 5 and over who speak a language other than English at home, as a percentage of all people aged 5 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the language used at home, not English ability: most people in this group also speak English. Spanish speakers are shown separately in spanish_at_home_share.

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 C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. 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). American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs (Counties in Idaho by population speaking a language other than English at home, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat

MLA 9

American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Idaho by population speaking a language other than English at home, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Invokely, https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Counties in Idaho by population speaking a language other than English at home, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Also distributed by Invokely, https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Idaho by population speaking a language other than English at home, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat, via Invokely: https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Idaho by population speaking a language other than English at home, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Idaho by population speaking a language other than English at home, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat
L2  - https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/language-other-than-english-at-home/idaho-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.
ER  - 
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Rank Counties in Idaho by population speaking a language other than English at home using official data, and cite the source.
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Questions

Which county has the highest population speaking a language other than English at home?

Jerome County, with 33.7% in 2023, according to the U.S. Census Bureau.

Which county has the lowest population speaking a language other than English at home?

Adams County, with 1.6% 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 C16001: people aged 5 and over who speak a language other than English at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Retrieved 2026-10-12.

Population speaking a language other than English at home: other rankings

Counties in Idaho: more rankings