Member
Population
Miles
Size
South DakotaSouth Dakota has 66 Counties.
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South Dakota Data Sets South Dakota Links |
South Dakota Counties 211 East Prospect Ave. Pierre, SD 57501-0000 Phone: (605)224-4554 Fax: (605)224-4833 http://www.sdcc.govoffice2.com
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| County | NACo Member |
2010 Population |
Square Miles |
County Seat | Board Size |
Founded |
|---|---|---|---|---|---|---|
| Aurora | |
2,710 | 708 | Plankinton | 5 | 1881 |
| Beadle | |
17,398 | 1,259 | Huron | 5 | 1879 |
| Bennett | |
3,431 | 1,185 | Martin | 5 | 1909 |
| Bon Homme | |
7,070 | 564 | Tyndall | 5 | 1862 |
| Brookings | |
31,965 | 792 | Brookings | 5 | 1892 |
| Brown | |
36,531 | 1,713 | Aberdeen | 5 | 1879 |
| Brule | |
5,255 | 817 | Chamberlain | 5 | 1875 |
| Buffalo | |
1,912 | 471 | Gann Valley | 3 | 1873 |
| Butte | |
10,110 | 2,250 | Belle Fourche | 5 | 1883 |
| Campbell | |
1,466 | 734 | Mound City | 5 | 1873 |
| Charles Mix | |
9,129 | 1,097 | Lake Andes | 3 | 1862 |
| Clark | |
3,691 | 958 | Clark | 5 | 1873 |
| Clay | |
13,864 | 412 | Vermillion | 5 | 1862 |
| Codington | |
27,227 | 689 | Watertown | 5 | 1877 |
| Corson | |
4,050 | 2,470 | McIntosh | 5 | 1909 |
| Custer | |
8,216 | 1,557 | Custer | 5 | 1875 |
| Davison | |
19,504 | 436 | Mitchell | 5 | 1873 |
| Day | |
5,710 | 1,028 | Webster | 5 | 1879 |
| Deuel | |
4,364 | 623 | Clear Lake | 5 | 1862 |
| Dewey | |
5,301 | 2,302 | Timber Lake | 5 | 1873 |
| Douglas | |
3,002 | 432 | Armour | 5 | 1873 |
| Edmunds | |
4,071 | 1,126 | Ipswich | 5 | 1873 |
| Fall River | |
7,094 | 1,740 | Hot Springs | 5 | 1883 |
| Faulk | |
2,364 | 982 | Faulkton | 5 | 1873 |
| Grant | |
7,356 | 681 | Milbank | 5 | 1873 |
| Gregory | |
4,271 | 1,015 | Burke | 5 | 1862 |
| Haakon | |
1,937 | 1,811 | Philip | 5 | 1914 |
| Hamlin | |
5,903 | 507 | Hayti | 5 | 1873 |
| Hand | |
3,431 | 1,437 | Miller | 5 | 1873 |
| Hanson | |
3,331 | 435 | Alexandria | 5 | 1873 |
| Harding | |
1,255 | 2,671 | Buffalo | 5 | 1909 |
| Hughes | |
17,022 | 742 | Pierre | 5 | 1880 |
| Hutchinson | |
7,343 | 813 | Olivet | 5 | 1862 |
| Hyde | |
1,420 | 861 | Highmore | 5 | 1873 |
| Jackson | |
3,031 | 1,864 | Kadoka | 5 | 1914 |
| Jerauld | |
2,071 | 526 | Wessington Springs | 5 | 1883 |
| Jones | |
1,006 | 970 | Murdo | 3 | 1916 |
| Kingsbury | |
5,148 | 832 | De Smet | 5 | 1873 |
| Lake | |
11,200 | 563 | Madison | 5 | 1873 |
| Lawrence | |
24,097 | 800 | Deadwood | 5 | 1875 |
| Lincoln | |
44,828 | 577 | Canton | 5 | 1867 |
| Lyman | |
3,755 | 1,642 | Kennebec | 5 | 1873 |
| Marshall | |
4,656 | 838 | Britton | 5 | 1885 |
| McCook | |
5,618 | 574 | Salem | 5 | 1873 |
| McPherson | |
2,459 | 1,137 | Leola | 5 | 1873 |
| Meade | |
25,434 | 3,471 | Sturgis | 5 | 1889 |
| Mellette | |
2,048 | 1,307 | White River | 3 | 1909 |
| Miner | |
2,389 | 570 | Howard | 5 | 1873 |
| Minnehaha | |
169,468 | 807 | Sioux Falls | 5 | 1862 |
| Moody | |
6,486 | 519 | Flandreau | 5 | 1873 |
| Pennington | |
100,948 | 2,777 | Rapid City | 5 | 1875 |
| Perkins | |
2,982 | 2,870 | Bison | 5 | 1909 |
| Potter | |
2,329 | 861 | Gettysburg | 5 | 1875 |
| Roberts | |
10,149 | 1,101 | Sisseton | 5 | 1883 |
| Sanborn | |
2,355 | 569 | Woonsocket | 5 | 1883 |
| Shannon | |
13,586 | 2,094 | Hot Springs | 5 | 1875 |
| Spink | |
6,415 | 1,504 | Redfield | 5 | 1873 |
| Stanley | |
2,966 | 1,444 | Fort Pierre | 5 | 1873 |
| Sully | |
1,373 | 1,007 | Onida | 5 | 1873 |
| Todd | |
9,612 | 1,389 | Winner | 5 | 1909 |
| Tripp | |
5,644 | 1,612 | Winner | 5 | 1873 |
| Turner | |
8,347 | 617 | Parker | 5 | 1871 |
| Union | |
14,399 | 461 | Elk Point | 5 | 1862 |
| Walworth | |
5,438 | 709 | Selby | 5 | 1873 |
| Yankton | |
22,438 | 521 | Yankton | 5 | 1862 |
| Ziebach | |
2,801 | 1,961 | Dupree | 7 | 1911 |