State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for Colorado by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value

Colorado

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 21.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,240,882.
• Rank within US : This state is ranked 35 of 52

United States

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 73,645,238.
• Rank within US : N/A

San Juan County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 11.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 78.
• Rank within US : This county is ranked 3128 of 3143

Mineral County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 12.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 100.
• Rank within US : This county is ranked 3116 of 3143

Ouray County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 12.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 633.
• Rank within US : This county is ranked 3115 of 3143

Crowley County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 13.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 774.
• Rank within US : This county is ranked 3104 of 3143

Hinsdale County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 13.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 128.
• Rank within US : This county is ranked 3102 of 3143

Dolores County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 14.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 335.
• Rank within US : This county is ranked 3092 of 3143

Clear Creek County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 14.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,327.
• Rank within US : This county is ranked 3086 of 3143

Custer County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 14.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 731.
• Rank within US : This county is ranked 3081 of 3143

Chaffee County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 14.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,895.
• Rank within US : This county is ranked 3075 of 3143

Park County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 14.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,605.
• Rank within US : This county is ranked 3070 of 3143

Pitkin County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 15.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,560.
• Rank within US : This county is ranked 3058 of 3143

Gilpin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 15.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 924.
• Rank within US : This county is ranked 3014 of 3143

Gunnison County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 15.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,692.
• Rank within US : This county is ranked 3014 of 3143

Fremont County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,917.
• Rank within US : This county is ranked 2988 of 3143

Huerfano County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,112.
• Rank within US : This county is ranked 2988 of 3143

San Miguel County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,284.
• Rank within US : This county is ranked 2988 of 3143

Teller County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 16.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,970.
• Rank within US : This county is ranked 2988 of 3143

Grand County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,540.
• Rank within US : This county is ranked 2984 of 3143

Bent County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 894.
• Rank within US : This county is ranked 2976 of 3143

Summit County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 16.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,064.
• Rank within US : This county is ranked 2956 of 3143

Archuleta County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 17.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,366.
• Rank within US : This county is ranked 2882 of 3143

Routt County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 17.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,380.
• Rank within US : This county is ranked 2844 of 3143

Lincoln County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 17.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 982.
• Rank within US : This county is ranked 2816 of 3143

La Plata County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 17.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,054.
• Rank within US : This county is ranked 2778 of 3143

Boulder County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 18.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 59,132.
• Rank within US : This county is ranked 2761 of 3143

Denver County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 18.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 130,820.
• Rank within US : This county is ranked 2702 of 3143

Las Animas County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,628.
• Rank within US : This county is ranked 2702 of 3143

Logan County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,849.
• Rank within US : This county is ranked 2702 of 3143

Saguache County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,207.
• Rank within US : This county is ranked 2670 of 3143

Larimer County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 18.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 67,996.
• Rank within US : This county is ranked 2629 of 3143

Costilla County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 18.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 670.
• Rank within US : This county is ranked 2608 of 3143

Jefferson County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 18.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 109,290.
• Rank within US : This county is ranked 2581 of 3143

Jackson County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 19.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 271.
• Rank within US : This county is ranked 2537 of 3143

Delta County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 19.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,051.
• Rank within US : This county is ranked 2489 of 3143

Lake County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 19.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,431.
• Rank within US : This county is ranked 2489 of 3143

Rio Grande County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,323.
• Rank within US : This county is ranked 2187 of 3143

Montrose County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,864.
• Rank within US : This county is ranked 2151 of 3143

Eagle County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 11,520.
• Rank within US : This county is ranked 2044 of 3143

Mesa County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 20.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 32,807.
• Rank within US : This county is ranked 2008 of 3143

Montezuma County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 20.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,489.
• Rank within US : This county is ranked 2008 of 3143

Broomfield County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 21.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 15,845.
• Rank within US : This county is ranked 1936 of 3143

Elbert County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 21.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,728.
• Rank within US : This county is ranked 1936 of 3143

Sedgwick County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 21.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 513.
• Rank within US : This county is ranked 1606 of 3143

Pueblo County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 37,145.
• Rank within US : This county is ranked 1567 of 3143

Kiowa County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 301.
• Rank within US : This county is ranked 1469 of 3143

Baca County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 772.
• Rank within US : This county is ranked 1429 of 3143

Washington County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,078.
• Rank within US : This county is ranked 1429 of 3143

Cheyenne County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 395.
• Rank within US : This county is ranked 1209 of 3143

Arapahoe County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 150,051.
• Rank within US : This county is ranked 1173 of 3143

El Paso County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 23.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 172,420.
• Rank within US : This county is ranked 947 of 3143

Otero County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,315.
• Rank within US : This county is ranked 947 of 3143

Alamosa County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 23.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,902.
• Rank within US : This county is ranked 866 of 3143

Douglas County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 88,460.
• Rank within US : This county is ranked 718 of 3143

Rio Blanco County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,594.
• Rank within US : This county is ranked 572 of 3143

Garfield County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 15,464.
• Rank within US : This county is ranked 492 of 3143

Moffat County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,342.
• Rank within US : This county is ranked 426 of 3143

Adams County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 25.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 133,000.
• Rank within US : This county is ranked 378 of 3143

Conejos County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,914.
• Rank within US : This county is ranked 378 of 3143

Prowers County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,070.
• Rank within US : This county is ranked 324 of 3143

Weld County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 25.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 87,535.
• Rank within US : This county is ranked 324 of 3143

Kit Carson County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 25.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,816.
• Rank within US : This county is ranked 299 of 3143

Phillips County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,168.
• Rank within US : This county is ranked 281 of 3143

Morgan County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,638.
• Rank within US : This county is ranked 259 of 3143

Yuma County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,723.
• Rank within US : This county is ranked 173 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:04 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 under 18, see the dictionary.

Data for United States does not include Puerto Rico.