Ranking of South Dakota Counties By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 87.24K people in South Dakota with Irish ancestry. Among all South Dakota counties, Minnehaha County had the highest population with Irish ancestry (21.24K), followed by Pennington County (12.94K), and Lincoln County (5.86K).
The chart and table below shows the top 10 counties with high number of people with 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 Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Minnehaha County | 21243 |
| 2 | Pennington County | 12943 |
| 3 | Lincoln County | 5857 |
| 4 | Meade County | 3642 |
| 5 | Lawrence County | 3430 |
| 6 | Brookings County | 3357 |
| 7 | Codington County | 2919 |
| 8 | Brown County | 2726 |
| 9 | Yankton County | 2334 |
| 10 | Clay County | 2299 |
| 11 | Union County | 1945 |
| 12 | Hughes County | 1921 |
| 13 | Davison County | 1794 |
| 14 | Beadle County | 1632 |
| 15 | Butte County | 1286 |
| 16 | Custer County | 1273 |
| 17 | Lake County | 1224 |
| 18 | Fall River County | 1043 |
| 19 | Spink County | 818 |
| 20 | Turner County | 720 |
| 21 | Charles Mix County | 665 |
| 22 | Tripp County | 660 |
| 23 | McCook County | 628 |
| 24 | Bon Homme County | 596 |
| 25 | Hutchinson County | 559 |
| 26 | Kingsbury County | 540 |
| 27 | Grant County | 537 |
| 28 | Perkins County | 416 |
| 29 | Moody County | 405 |
| 30 | Brule County | 403 |
| 31 | Faulk County | 382 |
| 32 | Lyman County | 349 |
| 33 | Deuel County | 344 |
| 34 | Roberts County | 337 |
| 35 | Hamlin County | 335 |
| 36 | Clark County | 319 |
| 37 | Day County | 315 |
| 38 | Hand County | 310 |
| 38 | Marshall County | 310 |
| 39 | Edmunds County | 288 |
| 40 | Gregory County | 274 |
| 41 | Haakon County | 273 |
| 42 | Walworth County | 271 |
| 43 | Hanson County | 261 |
| 44 | McPherson County | 240 |
| 45 | Douglas County | 196 |
| 46 | Stanley County | 195 |
| 47 | Sanborn County | 188 |
| 48 | Jackson County | 184 |
| 49 | Oglala Lakota County | 180 |
| 50 | Bennett County | 179 |
| 51 | Jerauld County | 176 |
| 52 | Potter County | 162 |
| 53 | Aurora County | 152 |
| 54 | Miner County | 148 |
| 55 | Corson County | 137 |
| 56 | Hyde County | 133 |
| 57 | Harding County | 131 |
| 58 | Ziebach County | 123 |
| 59 | Sully County | 120 |
| 60 | Dewey County | 119 |
| 61 | Todd County | 101 |
| 62 | Jones County | 80 |
| 63 | Mellette County | 46 |
| 64 | Campbell County | 44 |
| 65 | Buffalo County | 21 |