South Dakota

South Dakota has 66 Counties.

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  • South Dakota Counties
    211 E Prospect Ave
    Pierre, SD 57501-2530
    Phone: (605)224-4554
    Fax: (605)224-4833
    http://www.sdcountycommissioners.org

    County NACo
    Member
    2010
    Population
    Square
    Miles
    County Seat Board
    Size
    Founded
    Aurora 2,710 708 Plankinton   1881 
    Beadle 17,398 1,259 Huron   1879 
    Bennett 3,431 1,185 Martin   1909 
    Bon Homme 7,070 564 Tyndall   1862 
    Brookings 31,965 792 Brookings   1892 
    Brown 36,531 1,713 Aberdeen   1879 
    Brule 5,255 817 Chamberlain   1875 
    Buffalo 1,912 471 Gann Valley   1873 
    Butte 10,110 2,250 Belle Fourche   1883 
    Campbell 1,466 734 Mound City   1873 
    Charles Mix 9,129 1,097 Lake Andes   1862 
    Clark 3,691 958 Clark   1873 
    Clay 13,864 412 Vermillion   1862 
    Codington 27,227 689 Watertown   1877 
    Corson 4,050 2,470 McIntosh  1909 
    Custer 8,216 1,557 Custer   1875 
    Davison 19,504 436 Mitchell   1873 
    Day 5,710 1,028 Webster   1879 
    Deuel 4,364 623 Clear Lake   1862 
    Dewey 5,301 2,302 Timber Lake   1873 
    Douglas 3,002 432 Armour   1873 
    Edmunds 4,071 1,126 Ipswich   1873 
    Fall River 7,094 1,740 Hot Springs   1883 
    Faulk 2,364 982 Faulkton   1873 
    Grant 7,356 681 Milbank   1873 
    Gregory 4,271 1,015 Burke   1862 
    Haakon 1,937 1,811 Philip   1914 
    Hamlin 5,903 507 Hayti   1873 
    Hand 3,431 1,437 Miller   1873 
    Hanson 3,331 435 Alexandria   1873 
    Harding 1,255 2,671 Buffalo   1909 
    Hughes 17,022 742 Pierre   1880 
    Hutchinson 7,343 813 Olivet   1862 
    Hyde 1,420 861 Highmore   1873 
    Jackson 3,031 1,864 Kadoka   1914 
    Jerauld 2,071 526 Wessington Springs   1883 
    Jones 1,006 970 Murdo   1916 
    Kingsbury 5,148 832 De Smet   1873 
    Lake 11,200 563 Madison   1873 
    Lawrence 24,097 800 Deadwood   1875 
    Lincoln 44,828 577 Canton   1867 
    Lyman 3,755 1,642 Kennebec   1873 
    Marshall 4,656 838 Britton   1885 
    McCook 5,618 574 Salem  1873 
    McPherson 2,459 1,137 Leola   1873 
    Meade 25,434 3,471 Sturgis   1889 
    Mellette 2,048 1,307 White River   1909 
    Miner 2,389 570 Howard   1873 
    Minnehaha 169,468 807 Sioux Falls   1862 
    Moody 6,486 519 Flandreau   1873 
    Pennington 100,948 2,777 Rapid City   1875 
    Perkins 2,982 2,870 Bison   1909 
    Potter 2,329 861 Gettysburg   1875 
    Roberts 10,149 1,101 Sisseton   1883 
    Sanborn 2,355 569 Woonsocket   1883 
    Shannon 13,586 2,094 Hot Springs   1875 
    Spink 6,415 1,504 Redfield   1873 
    Stanley 2,966 1,444 Fort Pierre   1873 
    Sully 1,373 1,007 Onida   1873 
    Todd 9,612 1,389 Winner   1909 
    Tripp 5,644 1,612 Winner   1873 
    Turner 8,347 617 Parker   1871 
    Union 14,399 461 Elk Point   1862 
    Walworth 5,438 709 Selby   1873 
    Yankton 22,438 521 Yankton   1862 
    Ziebach 2,801 1,961 Dupree   1911