Demographics Table
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
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 40 And Over)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| Colorado | N/A | 46.4 | 2,693,527 | 43 of 52 |
| United States | N/A | 48.3 | 160,683,909 | N/A |
| Alamosa County | Rural | 38.4 | 6,343 | 3,067 |
| Denver County | Urban | 40.9 | 291,741 | 2,990 |
| Adams County | Urban | 41.4 | 217,167 | 2,963 |
| El Paso County | Urban | 42.6 | 313,385 | 2,911 |
| Weld County | Urban | 43.0 | 146,501 | 2,889 |
| Lake County | Rural | 45.1 | 3,341 | 2,750 |
| Garfield County | Rural | 45.5 | 28,220 | 2,713 |
| Larimer County | Urban | 45.7 | 166,202 | 2,687 |
| Arapahoe County | Urban | 45.8 | 300,363 | 2,681 |
| Morgan County | Rural | 46.4 | 13,535 | 2,610 |
| Gunnison County | Rural | 46.5 | 7,984 | 2,597 |
| Boulder County | Urban | 46.8 | 153,555 | 2,556 |
| Rio Blanco County | Rural | 46.9 | 3,059 | 2,546 |
| Moffat County | Rural | 47.5 | 6,299 | 2,477 |
| Logan County | Rural | 48.0 | 10,113 | 2,413 |
| Broomfield County | Urban | 48.4 | 36,377 | 2,334 |
| Kit Carson County | Rural | 48.5 | 3,405 | 2,317 |
| Conejos County | Rural | 48.9 | 3,682 | 2,240 |
| Eagle County | Rural | 48.9 | 27,100 | 2,240 |
| Summit County | Rural | 49.1 | 15,143 | 2,207 |
| Douglas County | Urban | 49.2 | 181,069 | 2,189 |
| Crowley County | Rural | 49.4 | 2,835 | 2,131 |
| Prowers County | Rural | 49.4 | 5,897 | 2,131 |
| Yuma County | Rural | 49.7 | 4,933 | 2,071 |
| Jefferson County | Urban | 50.5 | 293,033 | 1,892 |
| Phillips County | Rural | 50.5 | 2,269 | 1,892 |
| Pueblo County | Urban | 50.5 | 85,272 | 1,892 |
| Washington County | Rural | 51.1 | 2,473 | 1,751 |
| Mesa County | Urban | 51.4 | 80,893 | 1,669 |
| Otero County | Rural | 51.8 | 9,566 | 1,570 |
| Lincoln County | Rural | 52.1 | 2,900 | 1,497 |
| Bent County | Rural | 52.4 | 2,897 | 1,415 |
| Sedgwick County | Rural | 52.6 | 1,235 | 1,368 |
| Rio Grande County | Rural | 53.1 | 6,045 | 1,231 |
| San Juan County | Rural | 53.2 | 367 | 1,214 |
| La Plata County | Rural | 53.8 | 30,148 | 1,078 |
| Routt County | Rural | 54.3 | 13,581 | 959 |
| San Miguel County | Rural | 54.8 | 4,401 | 848 |
| Baca County | Rural | 55.2 | 1,911 | 787 |
| Montezuma County | Rural | 55.7 | 14,606 | 696 |
| Grand County | Rural | 56.0 | 8,847 | 655 |
| Elbert County | Urban | 56.1 | 15,245 | 640 |
| Fremont County | Rural | 56.3 | 27,813 | 618 |
| Las Animas County | Rural | 56.6 | 8,150 | 580 |
| Montrose County | Rural | 56.7 | 24,549 | 569 |
| Kiowa County | Rural | 56.8 | 770 | 565 |
| Cheyenne County | Rural | 57.4 | 994 | 503 |
| Costilla County | Rural | 57.7 | 2,062 | 465 |
| Pitkin County | Rural | 58.2 | 9,962 | 409 |
| Delta County | Rural | 59.5 | 18,654 | 296 |
| Chaffee County | Rural | 60.6 | 12,047 | 222 |
| Jackson County | Rural | 61.0 | 867 | 197 |
| Saguache County | Rural | 61.0 | 3,972 | 197 |
| Archuleta County | Rural | 63.0 | 8,649 | 130 |
| Teller County | Urban | 63.1 | 15,621 | 124 |
| Clear Creek County | Urban | 63.2 | 5,910 | 121 |
| Gilpin County | Urban | 63.7 | 3,744 | 106 |
| Hinsdale County | Rural | 64.0 | 601 | 95 |
| Park County | Urban | 64.4 | 11,420 | 90 |
| Huerfano County | Rural | 64.9 | 4,506 | 79 |
| Mineral County | Rural | 68.0 | 543 | 35 |
| Ouray County | Rural | 69.1 | 3,474 | 24 |
| Dolores County | Rural | 69.4 | 1,654 | 23 |
| Custer County | Rural | 71.5 | 3,627 | 10 |
Notes:
Created by statecancerprofiles.cancer.gov on 02/07/2026 12:31 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 02/07/2026 12:31 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.