Ranking of South Dakota Counties By Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 172.50K people in South Dakota with Unclassified ancestry. Among all South Dakota counties, Minnehaha County had the highest population with Unclassified ancestry (34.63K), followed by Pennington County (22.43K), and Lincoln County (15.00K).

The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in South Dakota.

Data Source: US Census Bureau.
Ranking of South Dakota Counties By Population with Unclassified Ancestry in 2021
Minnehaha County
Pennington County
Lincoln County
Brown County
Meade County
Brookings County
Yankton County
Codington County
Lawrence County
Davison County
Ranking of South Dakota Counties By Population with Unclassified Ancestry in 2021
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Rank County Population
1 Minnehaha County 34632
2 Pennington County 22429
3 Lincoln County 15004
4 Brown County 7974
5 Meade County 7347
6 Brookings County 7009
7 Yankton County 6916
8 Codington County 6785
9 Lawrence County 5248
10 Davison County 5024
11 Union County 4384
12 Hughes County 4094
13 Beadle County 3780
14 Clay County 3561
15 Butte County 2468
16 Turner County 1995
17 Lake County 1639
18 Custer County 1576
19 Hamlin County 1468
20 Spink County 1358
21 Bon Homme County 1353
22 Brule County 1351
23 Hutchinson County 1171
24 Tripp County 1097
25 Charles Mix County 1086
26 McCook County 1085
27 Hanson County 1075
28 Grant County 1073
29 Roberts County 1071
30 Walworth County 1003
31 Gregory County 959
32 Moody County 920
33 Kingsbury County 884
34 Fall River County 861
35 Deuel County 839
36 Potter County 822
37 Oglala Lakota County 798
38 Hand County 767
39 Clark County 743
40 Edmunds County 733
41 Marshall County 710
42 Stanley County 708
43 Day County 629
44 Miner County 572
45 Douglas County 567
46 Aurora County 434
47 McPherson County 394
48 Perkins County 390
49 Lyman County 352
50 Sanborn County 325
51 Faulk County 300
52 Harding County 291
53 Sully County 280
54 Todd County 259
55 Hyde County 253
56 Bennett County 236
57 Dewey County 194
58 Jerauld County 190
59 Mellette County 179
60 Jackson County 172
61 Haakon County 164
62 Jones County 138
63 Campbell County 137
64 Corson County 115
65 Buffalo County 102
66 Ziebach County 25