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Demographics Table

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Demographic Data Report for Idaho by County
Education: Less than 9th grade
Population Ages 25+
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Education: Less Than 9th Grade)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 4.7 10,803,193 N/A
Idaho N/A 3.2 40,562 22 of 52
Jerome County Urban 13.9 2,153 3,085
Owyhee County Urban 13.3 1,115 3,073
Camas County Rural 9.6 76 2,983
Lincoln County Rural 9.4 335 2,976
Clark County Rural 8.3 42 2,905
Minidoka County Rural 8.0 1,119 2,887
Gooding County Rural 7.1 732 2,796
Boundary County Rural 6.7 615 2,741
Cassia County Rural 6.6 987 2,718
Power County Rural 6.6 336 2,718
Elmore County Rural 6.5 1,219 2,706
Bingham County Rural 5.8 1,783 2,544
Blaine County Rural 5.7 1,040 2,519
Canyon County Urban 5.3 8,524 2,423
Payette County Rural 4.8 884 2,249
Twin Falls County Urban 4.5 2,766 2,134
Fremont County Rural 4.2 394 2,010
Washington County Rural 4.2 330 2,010
Teton County Rural 4.1 360 1,964
Butte County Urban 3.6 67 1,701
Gem County Urban 3.1 451 1,405
Bonneville County Urban 2.9 2,325 1,273
Benewah County Rural 2.4 176 889
Jefferson County Urban 2.4 460 889
Lewis County Rural 2.4 64 889
Nez Perce County Urban 2.4 730 889
Caribou County Rural 2.3 109 825
Idaho County Rural 2.2 285 751
Bonner County Rural 2.1 798 681
Ada County Urban 1.8 6,341 485
Kootenai County Urban 1.5 1,899 309
Bannock County Urban 1.4 833 242
Clearwater County Rural 1.4 97 242
Shoshone County Rural 1.4 135 242
Madison County Rural 1.3 246 198
Bear Lake County Rural 1.2 52 163
Latah County Rural 1.2 301 163
Lemhi County Rural 1.2 74 163
Valley County Rural 1.1 106 132
Franklin County Urban 1.0 90 92
Adams County Rural 0.8 30 54
Boise County Urban 0.8 49 54
Oneida County Rural 0.7 22 39
Custer County Rural 0.3 12 14

Notes:
Created by statecancerprofiles.cancer.gov on 03/25/2026 11:47 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Education: Less than 9th grade, see the dictionary.

Data for United States does not include Puerto Rico.

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