Ranking of Colorado Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Bachelors or Higher in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Colorado (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 42.83%. Among all Colorado counties, Boulder County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (62.86%), followed by Pitkin County (62.35%), and San Miguel County (59.93%).
The chart below shows the top 10 Colorado counties, and the table below shows the ranking of all Colorado counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Colorado ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Colorado Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Boulder County | 62.86 |
| 2 | Pitkin County | 62.35 |
| 3 | San Miguel County | 59.93 |
| 4 | Douglas County | 59.24 |
| 5 | Broomfield County | 57.77 |
| 6 | Gunnison County | 56.73 |
| 7 | Mineral County | 56.27 |
| 8 | Clear Creek County | 53.57 |
| 9 | Summit County | 52.82 |
| 10 | Denver County | 52.53 |
| 11 | Eagle County | 50.92 |
| 12 | Routt County | 50.81 |
| 13 | Larimer County | 49.38 |
| 14 | Gilpin County | 48.82 |
| 15 | Jefferson County | 47.91 |
| 16 | La Plata County | 46.97 |
| 17 | Hinsdale County | 46.77 |
| 18 | Ouray County | 46.24 |
| 19 | Arapahoe County | 44.49 |
| 20 | San Juan County | 42.16 |
| 21 | Archuleta County | 39.93 |
| 22 | El Paso County | 39.51 |
| 23 | Chaffee County | 39.40 |
| 24 | Custer County | 38.66 |
| 25 | Grand County | 37.70 |
| 26 | Teller County | 36.97 |
| 27 | Lake County | 35.98 |
| 28 | Elbert County | 35.30 |
| 29 | Park County | 33.09 |
| 30 | Garfield County | 32.93 |
| 31 | Montezuma County | 30.00 |
| 32 | Weld County | 29.48 |
| 33 | Mesa County | 29.30 |
| 34 | Rio Grande County | 28.90 |
| 35 | Jackson County | 27.25 |
| 36 | Dolores County | 26.47 |
| 37 | Montrose County | 26.46 |
| 38 | Adams County | 26.43 |
| 39 | Phillips County | 26.04 |
| 40 | Alamosa County | 25.64 |
| 41 | Saguache County | 25.46 |
| 42 | Huerfano County | 25.33 |
| 43 | Conejos County | 24.47 |
| 44 | Costilla County | 24.36 |
| 45 | Rio Blanco County | 23.86 |
| 46 | Baca County | 23.77 |
| 47 | Pueblo County | 23.66 |
| 48 | Yuma County | 23.51 |
| 49 | Delta County | 22.91 |
| 50 | Sedgwick County | 22.41 |
| 51 | Cheyenne County | 22.21 |
| 52 | Washington County | 22.11 |
| 53 | Kiowa County | 20.30 |
| 54 | Logan County | 20.27 |
| 55 | Otero County | 18.97 |
| 56 | Moffat County | 18.84 |
| 57 | Las Animas County | 18.74 |
| 58 | Fremont County | 18.61 |
| 59 | Kit Carson County | 18.20 |
| 60 | Morgan County | 17.52 |
| 61 | Prowers County | 16.88 |
| 62 | Lincoln County | 16.71 |
| 63 | Bent County | 14.22 |
| 64 | Crowley County | 9.24 |
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