Ranking of South Dakota Counties By 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. Among all South Dakota counties, Pennington County had the highest population with Scotch Irish ancestry (1.13K), followed by Minnehaha County (945), and Lawrence County (559).
The chart and table below shows the top 10 counties with high number of people with 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 Population with Scotch Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Pennington County | 1126 |
| 2 | Minnehaha County | 945 |
| 3 | Lawrence County | 559 |
| 4 | Lincoln County | 335 |
| 5 | Brookings County | 266 |
| 6 | Codington County | 175 |
| 7 | Clay County | 166 |
| 7 | Davison County | 166 |
| 8 | Fall River County | 127 |
| 9 | Butte County | 114 |
| 9 | Meade County | 114 |
| 10 | Brown County | 104 |
| 11 | Hughes County | 99 |
| 12 | Lake County | 74 |
| 13 | Yankton County | 71 |
| 14 | Bennett County | 65 |
| 15 | Union County | 63 |
| 16 | Clark County | 60 |
| 17 | Moody County | 54 |
| 18 | Perkins County | 53 |
| 19 | Beadle County | 44 |
| 20 | Kingsbury County | 43 |
| 21 | Hamlin County | 40 |
| 21 | Roberts County | 40 |
| 22 | Custer County | 38 |
| 23 | Bon Homme County | 36 |
| 24 | Stanley County | 35 |
| 25 | McCook County | 32 |
| 26 | Charles Mix County | 28 |
| 27 | Hand County | 25 |
| 28 | Turner County | 24 |
| 29 | Walworth County | 23 |
| 30 | Day County | 22 |
| 31 | Hutchinson County | 21 |
| 32 | Gregory County | 20 |
| 33 | Jones County | 19 |
| 34 | Haakon County | 18 |
| 35 | Tripp County | 15 |
| 36 | Potter County | 14 |
| 37 | Spink County | 13 |
| 38 | Grant County | 9 |
| 38 | Hanson County | 9 |
| 39 | Edmunds County | 8 |
| 39 | Lyman County | 8 |
| 39 | Marshall County | 8 |
| 40 | Deuel County | 7 |
| 41 | Aurora County | 6 |
| 41 | Brule County | 6 |
| 41 | Douglas County | 6 |
| 41 | Harding County | 6 |
| 41 | Sanborn County | 6 |
| 42 | Buffalo County | 5 |
| 43 | Dewey County | 4 |
| 44 | Campbell County | 3 |
| 44 | Corson County | 3 |
| 44 | Faulk County | 3 |
| 44 | Ziebach County | 3 |
| 45 | Jerauld County | 2 |
| 46 | McPherson County | 1 |
| 46 | Todd County | 1 |