Demographics Table
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 Rank
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 18-39)
|
Rank within US (of 3143 counties) 
|
|---|---|---|---|---|
| United States | N/A | 29.5 | 98,058,393 | N/A |
| Idaho | N/A | 29.3 | 554,369 | 21 of 52 |
| Madison County | Rural | 62.0 | 33,225 | 2 |
| Latah County | Rural | 42.2 | 17,032 | 37 |
| Elmore County | Rural | 35.6 | 10,349 | 133 |
| Bannock County | Urban | 30.9 | 27,363 | 376 |
| Clark County | Rural | 30.5 | 237 | 419 |
| Ada County | Urban | 30.0 | 152,186 | 486 |
| Canyon County | Urban | 29.8 | 72,194 | 512 |
| Lincoln County | Rural | 29.2 | 1,539 | 627 |
| Bonneville County | Urban | 29.0 | 36,808 | 662 |
| Twin Falls County | Urban | 28.9 | 26,577 | 682 |
| Cassia County | Rural | 28.0 | 7,043 | 852 |
| Franklin County | Urban | 27.5 | 4,046 | 978 |
| Nez Perce County | Urban | 27.4 | 11,623 | 1,007 |
| Teton County | Rural | 27.3 | 3,301 | 1,035 |
| Jefferson County | Urban | 27.1 | 8,724 | 1,092 |
| Jerome County | Urban | 27.0 | 6,696 | 1,116 |
| Minidoka County | Rural | 26.9 | 5,904 | 1,143 |
| Owyhee County | Urban | 26.9 | 3,308 | 1,143 |
| Power County | Rural | 26.7 | 2,141 | 1,210 |
| Bingham County | Rural | 26.5 | 12,978 | 1,285 |
| Kootenai County | Urban | 26.2 | 46,505 | 1,389 |
| Fremont County | Rural | 26.0 | 3,559 | 1,479 |
| Caribou County | Rural | 25.5 | 1,818 | 1,655 |
| Payette County | Rural | 25.5 | 6,670 | 1,655 |
| Butte County | Urban | 24.9 | 661 | 1,865 |
| Blaine County | Rural | 24.5 | 6,026 | 2,020 |
| Gooding County | Rural | 24.3 | 3,827 | 2,094 |
| Washington County | Rural | 23.9 | 2,593 | 2,208 |
| Camas County | Rural | 23.6 | 273 | 2,294 |
| Gem County | Urban | 23.5 | 4,657 | 2,328 |
| Oneida County | Rural | 23.1 | 1,080 | 2,437 |
| Shoshone County | Rural | 23.1 | 3,134 | 2,437 |
| Boundary County | Rural | 23.0 | 2,920 | 2,466 |
| Bear Lake County | Rural | 22.6 | 1,480 | 2,567 |
| Valley County | Rural | 22.3 | 2,708 | 2,639 |
| Benewah County | Rural | 21.8 | 2,158 | 2,737 |
| Idaho County | Rural | 21.2 | 3,629 | 2,825 |
| Bonner County | Rural | 20.9 | 10,323 | 2,866 |
| Clearwater County | Rural | 20.9 | 1,861 | 2,866 |
| Boise County | Urban | 19.7 | 1,581 | 2,990 |
| Lemhi County | Rural | 19.4 | 1,585 | 3,011 |
| Lewis County | Rural | 18.4 | 671 | 3,066 |
| Adams County | Rural | 18.3 | 842 | 3,069 |
| Custer County | Rural | 12.1 | 534 | 3,138 |
Notes:
Created by statecancerprofiles.cancer.gov on 03/18/2025 7:12 am.
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.
Created by statecancerprofiles.cancer.gov on 03/18/2025 7:12 am.
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.