State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for Idaho by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

Idaho

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 29.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 568,594.
• Rank within US : This county is ranked 20 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 98,945,767.
• Rank within US : N/A

Ada County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 157,169.
• Rank within US : This county is ranked 445 of 3143

Adams County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.8 percent.
• People (Age 18-39) : The number of people (age 18-39) is 890.
• Rank within US : This county is ranked 3032 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 27,682.
• Rank within US : This county is ranked 385 of 3143

Bear Lake County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,459.
• Rank within US : This county is ranked 2723 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 2,206.
• Rank within US : This county is ranked 2742 of 3143

Bingham County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 13,637.
• Rank within US : This county is ranked 993 of 3143

Blaine County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.8 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,188.
• Rank within US : This county is ranked 1934 of 3143

Boise County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 20.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,658.
• Rank within US : This county is ranked 2964 of 3143

Bonner County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 10,377.
• Rank within US : This county is ranked 2939 of 3143

Bonneville County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 37,778.
• Rank within US : This county is ranked 615 of 3143

Boundary County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,842.
• Rank within US : This county is ranked 2769 of 3143

Butte County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 24.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 649.
• Rank within US : This county is ranked 2138 of 3143

Camas County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 288.
• Rank within US : This county is ranked 1623 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 74,656.
• Rank within US : This county is ranked 513 of 3143

Caribou County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,887.
• Rank within US : This county is ranked 1375 of 3143

Cassia County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 7,040.
• Rank within US : This county is ranked 961 of 3143

Clark County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 265.
• Rank within US : This county is ranked 357 of 3143

Clearwater 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 1,961.
• Rank within US : This county is ranked 2742 of 3143

Custer County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 12.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 552.
• Rank within US : This county is ranked 3139 of 3143

Elmore County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 10,391.
• Rank within US : This county is ranked 141 of 3143

Franklin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.6 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,999.
• Rank within US : This county is ranked 1264 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 3,622.
• Rank within US : This county is ranked 1485 of 3143

Gem County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 23.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 4,796.
• Rank within US : This county is ranked 2400 of 3143

Gooding County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 4,044.
• Rank within US : This county is ranked 1712 of 3143

Idaho 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 3,648.
• Rank within US : This county is ranked 2871 of 3143

Jefferson County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 9,026.
• Rank within US : This county is ranked 1081 of 3143

Jerome 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 6,935.
• Rank within US : This county is ranked 993 of 3143

Kootenai County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 47,408.
• Rank within US : This county is ranked 1485 of 3143

Latah County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 42.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 17,387.
• Rank within US : This county is ranked 35 of 3143

Lemhi County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,652.
• Rank within US : This county is ranked 2964 of 3143

Lewis County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 19.0 percent.
• People (Age 18-39) : The number of people (age 18-39) is 699.
• Rank within US : This county is ranked 3020 of 3143

Lincoln County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.7 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,484.
• Rank within US : This county is ranked 935 of 3143

Madison County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 62.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 34,038.
• Rank within US : This county is ranked 2 of 3143

Minidoka County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,088.
• Rank within US : This county is ranked 1021 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 11,678.
• Rank within US : This county is ranked 1021 of 3143

Oneida County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.9 percent.
• People (Age 18-39) : The number of people (age 18-39) is 1,042.
• Rank within US : This county is ranked 2723 of 3143

Owyhee County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.4 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,296.
• Rank within US : This county is ranked 1335 of 3143

Payette County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.2 percent.
• People (Age 18-39) : The number of people (age 18-39) is 6,744.
• Rank within US : This county is ranked 1789 of 3143

Power County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.1 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,207.
• Rank within US : This county is ranked 1112 of 3143

Shoshone County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,246.
• Rank within US : This county is ranked 2338 of 3143

Teton County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 28.5 percent.
• People (Age 18-39) : The number of people (age 18-39) is 3,538.
• Rank within US : This county is ranked 761 of 3143

Twin Falls County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.8 percent.
• People (Age 18-39) : The number of people (age 18-39) is 27,031.
• Rank within US : This county is ranked 703 of 3143

Valley County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.3 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,881.
• Rank within US : This county is ranked 2400 of 3143

Washington County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.7 percent.
• People (Age 18-39) : The number of people (age 18-39) is 2,530.
• Rank within US : This county is ranked 2567 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 03/24/2026 8:38 am.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

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.