County Census Records
South Dakota Counties
90 counties with population data from the decennial US Census, 1790 to 2020.
90 counties
Population as of 2020 census
Armstrong
52
Aurora
2,747
Beadle
19,149
Bennett
3,381
Bon Homme
7,003
Boreman
534
Brookings
34,375
Brown
38,301
Brule
5,247
Buffalo
1,948
Butte
10,243
Campbell
1,377
Charles Mix
9,373
Cheyenne River Reservation
2,357
Choteau
8
Clark
3,837
Clay
14,967
Codington
28,325
Corson
3,902
Crow Creek Reservation
1,144
Custer
8,318
Davison
19,956
Day
5,449
Delano
40
Deuel
4,295
Dewey
5,239
Douglas
2,835
Edmunds
3,986
Ewing
16
Fall River
6,973
Faulk
2,125
Grant
7,556
Gregory
3,994
Haakon
1,872
Hamlin
6,164
Hand
3,145
Hanson
3,461
Harding
1,311
Hughes
17,765
Hutchinson
7,427
Hyde
1,262
Jackson
2,806
Jayne
5
Jerauld
1,663
Jones
917
Kingsbury
5,187
Lake
11,059
Lawrence
25,768
Lincoln
65,161
Lower Brule Reservation
1,026
Lyman
3,718
Marshall
4,306
Martin
7
McCook
5,682
McPherson
2,411
Meade
29,852
Mellette
1,918
Meyer
115
Miner
2,298
Minnehaha
197,214
Moody
6,336
Nowlin
149
Oglala Lakota
13,672
Pennington
109,222
Perkins
2,835
Pine Ridge Reservation
6,607
Potter
2,472
Pratt
23
Presho
181
Roberts
10,280
Rosebud Reservation
5,201
Sanborn
2,330
Schnasse
292
Scobey
32
Shannon
13,586
Sisseton and Wahpeton Reservation
1,615
Spink
6,361
Standing Rock Reservation
1,658
Stanley
2,980
Sterling
252
Sully
1,446
Todd
9,319
Tripp
5,624
Turner
8,673
Union
16,811
Walworth
5,315
Washabaugh
1,389
Washington
1,789
Yankton
23,310
Ziebach
2,413
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