Ranking of South Dakota 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 South Dakota (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 29.99%. Among all South Dakota counties, Clay County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (45.91%), followed by Brookings County (42.97%), and Lincoln County (41.25%).
The chart below shows the top 10 South Dakota counties, and the table below shows the ranking of all South Dakota 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: South Dakota ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of South Dakota 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 | Clay County | 45.91 |
| 2 | Brookings County | 42.97 |
| 3 | Lincoln County | 41.25 |
| 4 | Jones County | 38.62 |
| 5 | Hughes County | 34.54 |
| 6 | Lawrence County | 34.53 |
| 7 | Union County | 34.39 |
| 8 | Minnehaha County | 33.46 |
| 9 | Pennington County | 33.25 |
| 10 | Lake County | 33.03 |
| 11 | Brown County | 32.40 |
| 12 | Stanley County | 29.04 |
| 13 | Marshall County | 28.05 |
| 14 | Meade County | 27.88 |
| 15 | Campbell County | 27.19 |
| 16 | Custer County | 26.72 |
| 17 | Moody County | 26.69 |
| 18 | Yankton County | 26.50 |
| 19 | Spink County | 26.45 |
| 20 | Turner County | 25.92 |
| 21 | Lyman County | 25.78 |
| 22 | McCook County | 25.74 |
| 23 | Hutchinson County | 25.34 |
| 24 | Faulk County | 25.32 |
| 25 | Walworth County | 25.10 |
| 26 | Hand County | 25.00 |
| 27 | Edmunds County | 24.65 |
| 27 | Grant County | 24.65 |
| 28 | Brule County | 24.57 |
| 29 | Potter County | 24.40 |
| 30 | Kingsbury County | 24.02 |
| 31 | Beadle County | 23.88 |
| 32 | Deuel County | 23.25 |
| 33 | Harding County | 23.07 |
| 34 | Bon Homme County | 22.79 |
| 35 | Davison County | 22.78 |
| 36 | Charles Mix County | 22.35 |
| 37 | Fall River County | 22.11 |
| 38 | McPherson County | 21.62 |
| 39 | Day County | 21.19 |
| 40 | Hamlin County | 21.17 |
| 41 | Perkins County | 20.87 |
| 42 | Sully County | 20.76 |
| 43 | Butte County | 20.32 |
| 44 | Codington County | 20.25 |
| 45 | Bennett County | 20.19 |
| 46 | Douglas County | 19.76 |
| 47 | Jerauld County | 19.44 |
| 48 | Tripp County | 19.19 |
| 49 | Clark County | 19.17 |
| 50 | Gregory County | 19.06 |
| 51 | Aurora County | 18.30 |
| 52 | Hanson County | 18.24 |
| 53 | Miner County | 17.26 |
| 54 | Sanborn County | 17.21 |
| 55 | Dewey County | 17.08 |
| 56 | Hyde County | 16.75 |
| 57 | Roberts County | 16.11 |
| 58 | Haakon County | 16.01 |
| 59 | Corson County | 15.50 |
| 60 | Mellette County | 14.62 |
| 61 | Ziebach County | 14.57 |
| 62 | Jackson County | 14.21 |
| 63 | Todd County | 13.31 |
| 64 | Oglala Lakota County | 10.36 |
| 65 | Buffalo County | 6.91 |
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