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 Count
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Notes:
Created by statecancerprofiles.cancer.gov on 07/01/2025 9:51 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 under 18, see the dictionary.
Data for United States does not include Puerto Rico.