Interpretation of Demographics Data
Demographic Data Report for Colorado by County
Population: Age 40 and over
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 46.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,693,527.
- Rank within US : This state is ranked 43 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 48.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 160,683,909.
- Rank within US : N/A
Alamosa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 38.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,343.
- Rank within US : This county is ranked 3067 of 3143
Denver County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 40.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 291,741.
- Rank within US : This county is ranked 2990 of 3143
Adams County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 41.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 217,167.
- Rank within US : This county is ranked 2963 of 3143
El Paso County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 42.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 313,385.
- Rank within US : This county is ranked 2911 of 3143
Weld County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 43.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 146,501.
- Rank within US : This county is ranked 2889 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 45.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,341.
- Rank within US : This county is ranked 2750 of 3143
Garfield County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 45.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 28,220.
- Rank within US : This county is ranked 2713 of 3143
Larimer County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 45.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 166,202.
- Rank within US : This county is ranked 2687 of 3143
Arapahoe County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 45.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 300,363.
- Rank within US : This county is ranked 2681 of 3143
Morgan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,535.
- Rank within US : This county is ranked 2610 of 3143
Gunnison County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,984.
- Rank within US : This county is ranked 2597 of 3143
Boulder County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 46.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 153,555.
- Rank within US : This county is ranked 2556 of 3143
Rio Blanco County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,059.
- Rank within US : This county is ranked 2546 of 3143
Moffat County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 47.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,299.
- Rank within US : This county is ranked 2477 of 3143
Logan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,113.
- Rank within US : This county is ranked 2413 of 3143
Broomfield County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 36,377.
- Rank within US : This county is ranked 2334 of 3143
Kit Carson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,405.
- Rank within US : This county is ranked 2317 of 3143
Conejos County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,682.
- Rank within US : This county is ranked 2240 of 3143
Eagle County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 27,100.
- Rank within US : This county is ranked 2240 of 3143
Summit County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 15,143.
- Rank within US : This county is ranked 2207 of 3143
Douglas County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 49.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 181,069.
- Rank within US : This county is ranked 2189 of 3143
Crowley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,835.
- Rank within US : This county is ranked 2131 of 3143
Prowers County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,897.
- Rank within US : This county is ranked 2131 of 3143
Yuma County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,933.
- Rank within US : This county is ranked 2071 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 293,033.
- Rank within US : This county is ranked 1892 of 3143
Phillips County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 50.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,269.
- Rank within US : This county is ranked 1892 of 3143
Pueblo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 85,272.
- Rank within US : This county is ranked 1892 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 51.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,473.
- Rank within US : This county is ranked 1751 of 3143
Mesa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 80,893.
- Rank within US : This county is ranked 1669 of 3143
Otero County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 51.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 9,566.
- Rank within US : This county is ranked 1570 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,900.
- Rank within US : This county is ranked 1497 of 3143
Bent County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,897.
- Rank within US : This county is ranked 1415 of 3143
Sedgwick County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,235.
- Rank within US : This county is ranked 1368 of 3143
Rio Grande County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,045.
- Rank within US : This county is ranked 1231 of 3143
San Juan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 367.
- Rank within US : This county is ranked 1214 of 3143
La Plata County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 30,148.
- Rank within US : This county is ranked 1078 of 3143
Routt County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,581.
- Rank within US : This county is ranked 959 of 3143
San Miguel County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,401.
- Rank within US : This county is ranked 848 of 3143
Baca County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,911.
- Rank within US : This county is ranked 787 of 3143
Montezuma County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 14,606.
- Rank within US : This county is ranked 696 of 3143
Grand County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,847.
- Rank within US : This county is ranked 655 of 3143
Elbert County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 56.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 15,245.
- Rank within US : This county is ranked 640 of 3143
Fremont County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 27,813.
- Rank within US : This county is ranked 618 of 3143
Las Animas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,150.
- Rank within US : This county is ranked 580 of 3143
Montrose County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 24,549.
- Rank within US : This county is ranked 569 of 3143
Kiowa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 770.
- Rank within US : This county is ranked 565 of 3143
Cheyenne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 57.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 994.
- Rank within US : This county is ranked 503 of 3143
Costilla County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 57.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,062.
- Rank within US : This county is ranked 465 of 3143
Pitkin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 58.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 9,962.
- Rank within US : This county is ranked 409 of 3143
Delta County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 18,654.
- Rank within US : This county is ranked 296 of 3143
Chaffee County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 60.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 12,047.
- Rank within US : This county is ranked 222 of 3143
Jackson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 61.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 867.
- Rank within US : This county is ranked 197 of 3143
Saguache County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 61.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,972.
- Rank within US : This county is ranked 197 of 3143
Archuleta County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 63.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,649.
- Rank within US : This county is ranked 130 of 3143
Teller County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 63.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 15,621.
- Rank within US : This county is ranked 124 of 3143
Clear Creek County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 63.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,910.
- Rank within US : This county is ranked 121 of 3143
Gilpin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 63.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,744.
- Rank within US : This county is ranked 106 of 3143
Hinsdale County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 64.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 601.
- Rank within US : This county is ranked 95 of 3143
Park County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 64.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 11,420.
- Rank within US : This county is ranked 90 of 3143
Huerfano County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 64.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,506.
- Rank within US : This county is ranked 79 of 3143
Mineral County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 68.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 543.
- Rank within US : This county is ranked 35 of 3143
Ouray County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 69.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,474.
- Rank within US : This county is ranked 24 of 3143
Dolores County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 69.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,654.
- Rank within US : This county is ranked 23 of 3143
Custer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 71.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,627.
- Rank within US : This county is ranked 10 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/12/2025 7:38 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.