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Demographic Data Report for Idaho by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Count
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age Under 18)
 sort by sample size descending
Rank within US
(of 3146 counties)
 sort by rank ascending
Idaho 25.7 441,147 3 of 52
United States 22.6 73,429,392 N/A
Clark County 29.0 265 118
Camas County 25.9 271 361
Butte County 23.1 595 1,202
Custer County 16.1 672 3,031
Adams County 17.1 701 2,948
Lewis County 22.6 868 1,409
Boise County 17.1 1,260 2,950
Oneida County 29.7 1,304 92
Clearwater County 16.1 1,395 3,033
Lemhi County 19.0 1,491 2,675
Bear Lake County 26.4 1,584 288
Lincoln County 29.6 1,584 94
Valley County 17.0 1,819 2,955
Caribou County 29.3 2,039 110
Benewah County 22.6 2,064 1,418
Power County 30.3 2,323 78
Washington County 23.3 2,345 1,087
Shoshone County 20.2 2,552 2,344
Boundary County 23.6 2,793 988
Teton County 25.2 2,881 469
Owyhee County 26.2 3,022 322
Idaho County 19.6 3,217 2,509
Fremont County 26.4 3,432 295
Gem County 23.2 4,016 1,153
Gooding County 27.5 4,164 178
Franklin County 32.5 4,377 39
Blaine County 22.2 4,963 1,605
Minidoka County 28.5 5,909 134
Payette County 26.5 6,175 271
Elmore County 25.1 6,711 500
Jerome County 30.8 7,309 72
Latah County 18.7 7,381 2,738
Cassia County 32.1 7,605 41
Nez Perce County 21.2 8,540 2,005
Bonner County 20.0 8,713 2,418
Jefferson County 33.8 9,637 24
Madison County 27.3 10,679 193
Bingham County 31.0 14,215 67
Bannock County 26.3 22,589 296
Twin Falls County 27.7 23,542 158
Bonneville County 30.9 35,371 69
Kootenai County 23.0 36,186 1,228
Canyon County 28.9 62,791 122
Ada County 24.0 109,797 788
Notes:
Created by statecancerprofiles.cancer.gov on 11/26/2022 12:08 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.

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