State Cancer Profiles

Interpretation of Demographics Data

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 Value

Idaho

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 29.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 554,369.
• Rank within US : This state is ranked 21 of 52

United States

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 29.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 98,058,393.
• Rank within US : N/A

Custer County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 12.1 percent.
• People (Age 18-39) : The number of people (age 18-39) is 534.
• Rank within US : This county is ranked 3138 of 3143

Adams County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 842.
• Rank within US : This county is ranked 3069 of 3143

Lewis County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 671.
• Rank within US : This county is ranked 3066 of 3143

Lemhi County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 19.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,585.
• Rank within US : This county is ranked 3011 of 3143

Boise County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 19.7 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,581.
• Rank within US : This county is ranked 2990 of 3143

Bonner County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 10,323.
• Rank within US : This county is ranked 2866 of 3143

Clearwater County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,861.
• Rank within US : This county is ranked 2866 of 3143

Idaho County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,629.
• Rank within US : This county is ranked 2825 of 3143

Benewah County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.8 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,158.
• Rank within US : This county is ranked 2737 of 3143

Valley County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,708.
• Rank within US : This county is ranked 2639 of 3143

Bear Lake County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,480.
• Rank within US : This county is ranked 2567 of 3143

Boundary County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,920.
• Rank within US : This county is ranked 2466 of 3143

Oneida County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.1 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,080.
• Rank within US : This county is ranked 2437 of 3143

Shoshone County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.1 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,134.
• Rank within US : This county is ranked 2437 of 3143

Gem County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 23.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 4,657.
• Rank within US : This county is ranked 2328 of 3143

Camas County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 273.
• Rank within US : This county is ranked 2294 of 3143

Washington County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,593.
• Rank within US : This county is ranked 2208 of 3143

Gooding County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,827.
• Rank within US : This county is ranked 2094 of 3143

Blaine County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,026.
• Rank within US : This county is ranked 2020 of 3143

Butte County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 24.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 661.
• Rank within US : This county is ranked 1865 of 3143

Caribou County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,818.
• Rank within US : This county is ranked 1655 of 3143

Payette County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,670.
• Rank within US : This county is ranked 1655 of 3143

Fremont County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,559.
• Rank within US : This county is ranked 1479 of 3143

Kootenai County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 46,505.
• Rank within US : This county is ranked 1389 of 3143

Bingham County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 12,978.
• Rank within US : This county is ranked 1285 of 3143

Power County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.7 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,141.
• Rank within US : This county is ranked 1210 of 3143

Minidoka County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 5,904.
• Rank within US : This county is ranked 1143 of 3143

Owyhee County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,308.
• Rank within US : This county is ranked 1143 of 3143

Jerome County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,696.
• Rank within US : This county is ranked 1116 of 3143

Jefferson County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.1 percent.
• People (Age 18-39) : The number of people (age 18-39) is 8,724.
• Rank within US : This county is ranked 1092 of 3143

Teton County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,301.
• Rank within US : This county is ranked 1035 of 3143

Nez Perce County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 11,623.
• Rank within US : This county is ranked 1007 of 3143

Franklin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 4,046.
• Rank within US : This county is ranked 978 of 3143

Cassia County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 28.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 7,043.
• Rank within US : This county is ranked 852 of 3143

Twin Falls County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 26,577.
• Rank within US : This county is ranked 682 of 3143

Bonneville County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 36,808.
• Rank within US : This county is ranked 662 of 3143

Lincoln County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,539.
• Rank within US : This county is ranked 627 of 3143

Canyon County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.8 percent.
• People (Age 18-39) : The number of people (age 18-39) is 72,194.
• Rank within US : This county is ranked 512 of 3143

Ada County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 152,186.
• Rank within US : This county is ranked 486 of 3143

Clark County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 237.
• Rank within US : This county is ranked 419 of 3143

Bannock County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 27,363.
• Rank within US : This county is ranked 376 of 3143

Elmore County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 10,349.
• Rank within US : This county is ranked 133 of 3143

Latah County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 42.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 17,032.
• Rank within US : This county is ranked 37 of 3143

Madison County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 62.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 33,225.
• Rank within US : This county is ranked 2 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 07/05/2025 8:49 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.