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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
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value descending
People (Age 18-39)
 sort by sample size descending
Rank within US
(of 3143 counties)
 sort by rank descending
Idaho 28.9 524,146 21 of 52
United States 29.6 97,620,321 N/A
Ada County 30.3 146,822 2,664
Adams County 18.4 793 91
Bannock County 31.1 26,865 2,760
Bear Lake County 24.1 1,524 976
Benewah County 21.6 2,052 357
Bingham County 26.3 12,495 1,745
Blaine County 23.5 5,615 811
Boise County 19.1 1,441 113
Bonner County 20.8 9,651 245
Bonneville County 28.9 35,237 2,440
Boundary County 21.1 2,521 292
Butte County 21.8 562 412
Camas County 18.9 197 108
Canyon County 29.8 67,751 2,592
Caribou County 25.6 1,792 1,505
Cassia County 27.3 6,668 2,066
Clark County 33.6 282 2,930
Clearwater County 21.7 1,889 380
Custer County 15.7 670 17
Elmore County 34.2 9,704 2,950
Franklin County 24.8 3,486 1,245
Fremont County 26.9 3,593 1,940
Gem County 20.9 3,909 271
Gooding County 24.4 3,763 1,072
Idaho County 20.6 3,403 224
Jefferson County 26.9 8,183 1,947
Jerome County 28.4 6,837 2,327
Kootenai County 26.4 44,366 1,779
Latah County 43.2 17,060 3,110
Lemhi County 21.2 1,684 305
Lewis County 18.0 649 68
Lincoln County 28.0 1,454 2,262
Madison County 49.8 25,380 3,135
Minidoka County 27.0 5,772 1,976
Nez Perce County 27.7 11,578 2,179
Oneida County 21.7 978 381
Owyhee County 24.3 2,872 1,042
Payette County 23.8 5,922 882
Power County 23.8 1,868 895
Shoshone County 22.4 2,934 501
Teton County 28.6 3,288 2,370
Twin Falls County 29.0 25,845 2,457
Valley County 20.3 2,326 194
Washington County 23.6 2,465 850
Notes:
Created by statecancerprofiles.cancer.gov on 06/18/2024 6:22 am.
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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