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South Dakota
There are 66 Counties in South Dakota
Click the state map for a larger view or select a county from the list below to view a listing of the county officials and other information pertaining to that county.
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| County |
NACo
Member |
2000
Population |
Square
Miles |
County Seat |
Founded |
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Aurora
|
|
3,058
|
708
|
Plankinton
|
1881
|
|
Beadle
|
|
17,023
|
1,259
|
Huron
|
1879
|
|
Bennett
|
|
3,574
|
1,185
|
Martin
|
1909
|
|
Bon Homme
|
|
7,260
|
563
|
Tyndall
|
1862
|
|
Brookings
|
|
28,220
|
794
|
Brookings
|
1892
|
|
Brown
|
|
35,460
|
1,713
|
Aberdeen
|
1879
|
|
Brule
|
|
5,364
|
819
|
Chamberlain
|
1875
|
|
Buffalo
|
|
2,032
|
471
|
Gann Valley
|
1873
|
|
Butte
|
|
9,094
|
2,249
|
Belle Fourche
|
1883
|
|
Campbell
|
|
1,782
|
736
|
Mound City
|
1873
|
|
Charles Mix
|
|
9,350
|
1,098
|
Lake Andes
|
1862
|
|
Clark
|
|
4,143
|
958
|
Clark
|
1873
|
|
Clay
|
|
13,537
|
412
|
Vermillion
|
1862
|
|
Codington
|
|
25,897
|
688
|
Watertown
|
1877
|
|
Corson
|
|
4,181
|
2,473
|
McIntosh
|
1909
|
|
Custer
|
|
7,275
|
1,558
|
Custer
|
1875
|
|
Davison
|
|
18,741
|
436
|
Mitchell
|
1873
|
|
Day
|
|
6,267
|
1,029
|
Webster
|
1879
|
|
Deuel
|
|
4,498
|
624
|
Clear Lake
|
1862
|
|
Dewey
|
|
5,972
|
2,303
|
Timber Lake
|
1873
|
|
Douglas
|
|
3,458
|
434
|
Armour
|
1873
|
|
Edmunds
|
|
4,367
|
1,146
|
Ipswich
|
1873
|
|
Fall River
|
|
7,453
|
1,740
|
Hot Springs
|
1883
|
|
Faulk
|
|
2,640
|
1,000
|
Faulkton
|
1873
|
|
Grant
|
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7,847
|
682
|
Milbank
|
1873
|
|
Gregory
|
|
4,792
|
1,016
|
Burke
|
1862
|
|
Haakon
|
|
2,196
|
1,813
|
Philip
|
1914
|
|
Hamlin
|
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5,540
|
511
|
Hayti
|
1873
|
|
Hand
|
|
3,741
|
1,437
|
Miller
|
1873
|
|
Hanson
|
|
3,139
|
435
|
Alexandria
|
1873
|
|
Harding
|
|
1,353
|
2,671
|
Buffalo
|
1909
|
|
Hughes
|
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16,481
|
741
|
Pierre
|
1880
|
|
Hutchinson
|
|
8,075
|
813
|
Olivet
|
1862
|
|
Hyde
|
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1,671
|
861
|
Highmore
|
1873
|
|
Jackson
|
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2,930
|
1,869
|
Kadoka
|
1914
|
|
Jerauld
|
|
2,295
|
530
|
Wessington Springs
|
1883
|
|
Jones
|
|
1,193
|
971
|
Murdo
|
1916
|
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Kingsbury
|
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5,815
|
838
|
De Smet
|
1873
|
|
Lake
|
|
11,276
|
563
|
Madison
|
1873
|
|
Lawrence
|
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21,802
|
800
|
Deadwood
|
1875
|
|
Lincoln
|
|
24,131
|
578
|
Canton
|
1867
|
|
Lyman
|
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3,895
|
1,640
|
Kennebec
|
1873
|
|
Marshall
|
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4,576
|
839
|
Britton
|
1885
|
|
McCook
|
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5,832
|
575
|
Salem
|
1873
|
|
McPherson
|
|
2,904
|
1,137
|
Leola
|
1873
|
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Meade
|
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24,253
|
3,471
|
Sturgis
|
1889
|
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Mellette
|
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2,083
|
1,307
|
White River
|
1909
|
|
Miner
|
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2,884
|
570
|
Howard
|
1873
|
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Minnehaha
|
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148,281
|
809
|
Sioux Falls
|
1862
|
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Moody
|
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6,595
|
520
|
Flandreau
|
1873
|
|
Pennington
|
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88,565
|
2,776
|
Rapid City
|
1875
|
|
Perkins
|
|
3,363
|
2,872
|
Bison
|
1909
|
|
Potter
|
|
2,693
|
866
|
Gettysburg
|
1875
|
|
Roberts
|
|
10,016
|
1,101
|
Sisseton
|
1883
|
|
Sanborn
|
|
2,675
|
569
|
Woonsocket
|
1883
|
|
Shannon
|
|
12,466
|
2,094
|
Hot Springs
|
1875
|
|
Spink
|
|
7,454
|
1,504
|
Redfield
|
1873
|
|
Stanley
|
|
2,772
|
1,443
|
Fort Pierre
|
1873
|
|
Sully
|
|
1,556
|
1,007
|
Onida
|
1873
|
|
Todd
|
|
9,050
|
1,388
|
Winner
|
1909
|
|
Tripp
|
|
6,430
|
1,614
|
Winner
|
1873
|
|
Turner
|
|
8,849
|
617
|
Parker
|
1871
|
|
Union
|
|
12,584
|
460
|
Elk Point
|
1862
|
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Walworth
|
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5,974
|
708
|
Selby
|
1873
|
|
Yankton
|
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21,652
|
522
|
Yankton
|
1862
|
|
Ziebach
|
|
2,519
|
1,962
|
Dupree
|
1911
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To report any updates, deletions or additions, contact Database Updates
or send a fax to NACo, Attn: Database Updates (202)393-2630.
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