Ranking of South Dakota Counties By Percentage of Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.39K people in South Dakota with Scotch Irish ancestry (0.61% of South Dakota population). Among all South Dakota counties, Lawrence County had the highest percentage of its population with Scotch Irish ancestry (2.18%), followed by Jones County (2.07%), and Bennett County (1.91%).
The chart and table below shows the top 10 counties with high percentage of its population having Scotch Irish ancestry.
You can see similar information for other states and for other ancestry groups in South Dakota.
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Related Topics: South Dakota ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of South Dakota Counties By Percentage of Population with Scotch Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Lawrence County | 2.18 |
| 2 | Jones County | 2.07 |
| 3 | Bennett County | 1.91 |
| 4 | Fall River County | 1.82 |
| 5 | Perkins County | 1.78 |
| 6 | Clark County | 1.58 |
| 7 | Stanley County | 1.18 |
| 8 | Butte County | 1.12 |
| 8 | Clay County | 1.12 |
| 9 | Pennington County | 1.04 |
| 10 | Haakon County | 0.96 |
| 11 | Moody County | 0.85 |
| 12 | Kingsbury County | 0.84 |
| 13 | Davison County | 0.83 |
| 14 | Hand County | 0.82 |
| 15 | Brookings County | 0.78 |
| 16 | Hamlin County | 0.65 |
| 16 | Lake County | 0.65 |
| 17 | Codington County | 0.62 |
| 18 | Hughes County | 0.56 |
| 18 | McCook County | 0.56 |
| 19 | Potter County | 0.54 |
| 20 | Lincoln County | 0.53 |
| 21 | Bon Homme County | 0.51 |
| 21 | Harding County | 0.51 |
| 22 | Gregory County | 0.50 |
| 23 | Minnehaha County | 0.49 |
| 24 | Custer County | 0.46 |
| 25 | Walworth County | 0.43 |
| 26 | Day County | 0.40 |
| 27 | Meade County | 0.39 |
| 27 | Roberts County | 0.39 |
| 28 | Union County | 0.38 |
| 29 | Yankton County | 0.31 |
| 30 | Charles Mix County | 0.30 |
| 31 | Hutchinson County | 0.28 |
| 31 | Turner County | 0.28 |
| 32 | Brown County | 0.27 |
| 32 | Tripp County | 0.27 |
| 33 | Hanson County | 0.26 |
| 34 | Buffalo County | 0.25 |
| 34 | Sanborn County | 0.25 |
| 35 | Aurora County | 0.23 |
| 35 | Beadle County | 0.23 |
| 36 | Douglas County | 0.21 |
| 36 | Lyman County | 0.21 |
| 37 | Edmunds County | 0.20 |
| 37 | Spink County | 0.20 |
| 38 | Campbell County | 0.19 |
| 39 | Marshall County | 0.18 |
| 40 | Deuel County | 0.16 |
| 41 | Faulk County | 0.14 |
| 42 | Grant County | 0.12 |
| 42 | Ziebach County | 0.12 |
| 43 | Brule County | 0.11 |
| 43 | Jerauld County | 0.11 |
| 44 | Corson County | 0.08 |
| 44 | Dewey County | 0.08 |
| 45 | McPherson County | 0.05 |
| 46 | Todd County | 0.01 |