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Demographics Table

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Demographic Data Report for Idaho by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name descending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Idaho N/A 29.3 554,369 21 of 52
United States N/A 29.5 98,058,393 N/A
Ada County Urban 30.0 152,186 486
Adams County Rural 18.3 842 3,069
Bannock County Urban 30.9 27,363 376
Bear Lake County Rural 22.6 1,480 2,567
Benewah County Rural 21.8 2,158 2,737
Bingham County Rural 26.5 12,978 1,285
Blaine County Rural 24.5 6,026 2,020
Boise County Urban 19.7 1,581 2,990
Bonner County Rural 20.9 10,323 2,866
Bonneville County Urban 29.0 36,808 662
Boundary County Rural 23.0 2,920 2,466
Butte County Urban 24.9 661 1,865
Camas County Rural 23.6 273 2,294
Canyon County Urban 29.8 72,194 512
Caribou County Rural 25.5 1,818 1,655
Cassia County Rural 28.0 7,043 852
Clark County Rural 30.5 237 419
Clearwater County Rural 20.9 1,861 2,866
Custer County Rural 12.1 534 3,138
Elmore County Rural 35.6 10,349 133
Franklin County Urban 27.5 4,046 978
Fremont County Rural 26.0 3,559 1,479
Gem County Urban 23.5 4,657 2,328
Gooding County Rural 24.3 3,827 2,094
Idaho County Rural 21.2 3,629 2,825
Jefferson County Urban 27.1 8,724 1,092
Jerome County Urban 27.0 6,696 1,116
Kootenai County Urban 26.2 46,505 1,389
Latah County Rural 42.2 17,032 37
Lemhi County Rural 19.4 1,585 3,011
Lewis County Rural 18.4 671 3,066
Lincoln County Rural 29.2 1,539 627
Madison County Rural 62.0 33,225 2
Minidoka County Rural 26.9 5,904 1,143
Nez Perce County Urban 27.4 11,623 1,007
Oneida County Rural 23.1 1,080 2,437
Owyhee County Urban 26.9 3,308 1,143
Payette County Rural 25.5 6,670 1,655
Power County Rural 26.7 2,141 1,210
Shoshone County Rural 23.1 3,134 2,437
Teton County Rural 27.3 3,301 1,035
Twin Falls County Urban 28.9 26,577 682
Valley County Rural 22.3 2,708 2,639
Washington County Rural 23.9 2,593 2,208
Notes:
Created by statecancerprofiles.cancer.gov on 06/12/2025 12:38 pm.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.

Data for United States does not include Puerto Rico.

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