Ranking of South Dakota Counties By Percentage of Population with Norwegian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 106.24K people in South Dakota with Norwegian ancestry (12.05% of South Dakota population). Among all South Dakota counties, Marshall County had the highest percentage of its population with Norwegian ancestry (26.60%), followed by Day County (26.30%), and Deuel County (24.59%).
The chart and table below shows the top 10 counties with high percentage of its population having Norwegian 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 Norwegian Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Marshall County | 26.60 |
| 2 | Day County | 26.30 |
| 3 | Deuel County | 24.59 |
| 4 | Haakon County | 23.29 |
| 5 | Perkins County | 23.11 |
| 6 | Clark County | 22.71 |
| 7 | Kingsbury County | 22.67 |
| 8 | Harding County | 22.14 |
| 9 | Lake County | 21.53 |
| 10 | Jerauld County | 19.71 |
| 11 | Moody County | 18.03 |
| 12 | Brookings County | 18.00 |
| 13 | Codington County | 17.31 |
| 14 | Roberts County | 17.14 |
| 15 | Hamlin County | 16.57 |
| 16 | Grant County | 16.05 |
| 16 | Miner County | 16.05 |
| 17 | Stanley County | 14.78 |
| 18 | Sanborn County | 14.59 |
| 19 | Lincoln County | 14.52 |
| 20 | Minnehaha County | 14.48 |
| 21 | Faulk County | 13.68 |
| 22 | Hughes County | 13.42 |
| 23 | Turner County | 12.85 |
| 24 | Brown County | 12.69 |
| 25 | Campbell County | 12.40 |
| 26 | Lawrence County | 11.90 |
| 27 | Hyde County | 11.80 |
| 28 | Edmunds County | 11.49 |
| 29 | Butte County | 10.31 |
| 30 | Clay County | 10.04 |
| 31 | Beadle County | 10.03 |
| 32 | Custer County | 9.77 |
| 33 | Union County | 9.67 |
| 34 | Meade County | 9.41 |
| 35 | Jones County | 9.39 |
| 36 | Sully County | 9.23 |
| 37 | Yankton County | 9.16 |
| 38 | Walworth County | 8.95 |
| 39 | Lyman County | 8.81 |
| 40 | Spink County | 8.66 |
| 41 | Pennington County | 8.63 |
| 42 | Aurora County | 8.49 |
| 43 | Davison County | 8.47 |
| 44 | Brule County | 7.49 |
| 45 | Potter County | 7.42 |
| 46 | McCook County | 7.12 |
| 47 | McPherson County | 6.95 |
| 48 | Fall River County | 6.89 |
| 49 | Gregory County | 6.49 |
| 50 | Douglas County | 6.38 |
| 51 | Hand County | 5.95 |
| 52 | Hanson County | 5.48 |
| 53 | Hutchinson County | 5.37 |
| 54 | Bon Homme County | 5.23 |
| 55 | Jackson County | 4.57 |
| 56 | Tripp County | 4.01 |
| 57 | Bennett County | 3.99 |
| 58 | Charles Mix County | 3.94 |
| 59 | Mellette County | 3.76 |
| 60 | Corson County | 2.77 |
| 61 | Ziebach County | 2.38 |
| 62 | Dewey County | 2.21 |
| 63 | Buffalo County | 0.91 |
| 64 | Oglala Lakota County | 0.12 |
| 65 | Todd County | 0.01 |