List of counties in South Dakota

Counties of South Dakota
Aur Beadle Bennett Bon Brook Brown Brule Buff Butte Camp Chas Mix Clark Cla Cod Corson Custer Dav Day Deu Dewey Doug Edmunds Fall River Faulk Grant Greg Haakon Ham Hand Ha Harding Hughes Hutch Hy Jackson Jer Jones Kings Lak Law Lin Lyman Marsh McC McPher Meade Mellette Miner Minne Moo Oglala Pennington Perkins Potter Robts San Spink Stanley Sully Todd Tripp Turn Un Wal Yank Ziebach
Location	State of South Dakota
Number	66
Populations	1,006 (Jones) – 169,468 (Minnehaha)
Areas	412 square miles (1,070 km²) (Clay) – 3,471 square miles (8,990 km²) (Meade)
Government	County government
Subdivisions	cities, towns, townships, unincorporated territories, unorganized territories, census designated place

There are 66 counties in the U.S. state of South Dakota with FIPS codes.

Todd County and Oglala Lakota County are the only counties in South Dakota which do not have their own county seats. Hot Springs in Fall River County serves as the administrative center for Oglala Lakota County. Winner in Tripp County serves as the administrative center for Todd County.^[1] It is also one of five counties in South Dakota which is entirely within an Indian reservation. (The other four counties are Corson, Dewey, Oglala Lakota, and Ziebach.)

South Dakota's postal abbreviation is SD and its FIPS state code is 46.

Table of counties

County	INCITS ^[2]	County seat ^[3]	Established ^[3]	Formed from	Etymology	Population ^[4]	Area ^[3]
Aurora County	003	Plankinton	1881	Cragin and Wetmore counties	Aurora, Roman goddess of dawn	7003271000000000000♠2,710	7002708000000000000♠708 sq mi (7003183400000000000♠1,834 km²)
Beadle County	005	Huron	1879	Buchard, Clark, Kingsbury, and Spink counties	William Henry Harrison Beadle, chief surveyor of Dakota Territory	7004173980000000000♠17,398	7003125900000000000♠1,259 sq mi (7003326100000000000♠3,261 km²)
Bennett County	007	Martin	1909	Lugenbeel, Oglala Lakota, Washabaugh, and Washington counties	Granville G. Bennett, justice of the Supreme Court for the Dakota Territory	7003343100000000000♠3,431	7003118500000000000♠1,185 sq mi (7003306900000000000♠3,069 km²)
Bon Homme County	009	Tyndall	1862	Unorganized territory	French phrase meaning "good man"	7003707000000000000♠7,070	7002563000000000000♠563 sq mi (7003145800000000000♠1,458 km²)
Brookings County	011	Brookings	1862	Unorganized territory	Wilmot Brookings (1830 - 1905), Dakota Territory Supreme Court justice	7004319650000000000♠31,965	7002794000000000000♠794 sq mi (7003205600000000000♠2,056 km²)
Brown County	013	Aberdeen	1879	Beadle County	Alfred Brown, territorial legislator	7004365310000000000♠36,531	7003171300000000000♠1,713 sq mi (7003443700000000000♠4,437 km²)
Brule County	015	Chamberlain	1875	Charles Mix County	Brulé Sioux Native Americans	7003525500000000000♠5,255	7002819000000000000♠819 sq mi (7003212100000000000♠2,121 km²)
Buffalo County	017	Gann Valley	1873	Unorganized territory	American Bison	7003191200000000000♠1,912	7002471000000000000♠471 sq mi (7003122000000000000♠1,220 km²)
Butte County	019	Belle Fourche	1883	Harding	Buttes in the region	7004101100000000000♠10,110	7003224900000000000♠2,249 sq mi (7003582500000000000♠5,825 km²)
Campbell County	021	Mound City	1873	Buffalo	Newton B. Campbell, territorial legislator	7003146600000000000♠1,466	7002736000000000000♠736 sq mi (7003190600000000000♠1,906 km²)
Charles Mix County	023	Lake Andes	1862	Unorganized territory	Charles Eli Mix, commissioner of Indian Affairs	7003912900000000000♠9,129	7003109800000000000♠1,098 sq mi (7003284400000000000♠2,844 km²)
Clark County	025	Clark	1873	Hanson	Newton Clark, territorial legislator	7003369100000000000♠3,691	7002958000000000000♠958 sq mi (7003248100000000000♠2,481 km²)
Clay County	027	Vermillion	1862	Unorganized territory	Henry Clay (1777 - 1852), U.S. Senator from Kentucky and prominent 19th Century political figure	7004138640000000000♠13,864	7002412000000000000♠412 sq mi (7003106700000000000♠1,067 km²)
Codington County	029	Watertown	1877	Indian lands	Reverend G.S. Codington, territorial legislator	7004272270000000000♠27,227	7002688000000000000♠688 sq mi (7003178200000000000♠1,782 km²)
Corson County	031	McIntosh	1909	Indian lands	Dighton Corson, a Justice of the South Dakota Supreme Court	7003405000000000000♠4,050	7003247300000000000♠2,473 sq mi (7003640500000000000♠6,405 km²)
Custer County	033	Custer	1875	Indian lands	General George Armstrong Custer (1839 - 1876), key figure in the Indian Wars	7003821600000000000♠8,216	7003155800000000000♠1,558 sq mi (7003403500000000000♠4,035 km²)
Davison County	035	Mitchell	1873	Hanson	Henry C. Davison, prominent merchant and early settler	7004195040000000000♠19,504	7002436000000000000♠436 sq mi (7003112900000000000♠1,129 km²)
Day County	037	Webster	1879	Clark	Merrit H. Day, territorial legislator	7003571000000000000♠5,710	7003102900000000000♠1,029 sq mi (7003266500000000000♠2,665 km²)
Deuel County	039	Clear Lake	1862	Brookings	Jacob S. Deuel, territorial legislator	7003436400000000000♠4,364	7002624000000000000♠624 sq mi (7003161600000000000♠1,616 km²)
Dewey County	041	Timber Lake	1873	Armstrong County and Indian lands	William P. Dewey, territorial surveyor-general	7003530100000000000♠5,301	7003230300000000000♠2,303 sq mi (7003596500000000000♠5,965 km²)
Douglas County	043	Armour	1873	Charles Mix	Stephen A. Douglas (1813 - 1861), U.S. Senator from Illinois and advocate of popular sovereignty as a middle ground in the slavery debate	7003300200000000000♠3,002	7002434000000000000♠434 sq mi (7003112400000000000♠1,124 km²)
Edmunds County	045	Ipswich	1873	Buffalo	Newton Edmunds, Governor of Dakota Territory	7003407100000000000♠4,071	7003114600000000000♠1,146 sq mi (7003296800000000000♠2,968 km²)
Fall River County	047	Hot Springs	1883	Custer	Fall River	7003709400000000000♠7,094	7003174000000000000♠1,740 sq mi (7003450700000000000♠4,507 km²)
Faulk County	049	Faulkton	1873	Unorganized lands	Andrew Jackson Faulk, Governor of Dakota Territory	7003236400000000000♠2,364	7003100000000000000♠1,000 sq mi (7003259000000000000♠2,590 km²)
Grant County	051	Milbank	1873	Codington and Deuel counties	Ulysses S. Grant (1822 - 1885), U.S. President and American Civil War general	7003735600000000000♠7,356	7002682000000000000♠682 sq mi (7003176600000000000♠1,766 km²)
Gregory County	053	Burke	1862	Unorganized territory	John Shaw Gregory, territorial legislator	7003427100000000000♠4,271	7003101600000000000♠1,016 sq mi (7003263100000000000♠2,631 km²)
Haakon County	055	Philip	1914	Stanley County	King Haakon VII of Norway	7003193700000000000♠1,937	7003181300000000000♠1,813 sq mi (7003469600000000000♠4,696 km²)
Hamlin County	057	Hayti	1873	Deuel County	Hannibal Hamlin, Vice-President and United States Senator from Maine	7003590300000000000♠5,903	7002511000000000000♠511 sq mi (7003132300000000000♠1,323 km²)
Hand County	059	Miller	1873	Buffalo County	George H. Hand, territorial legislator	7003343100000000000♠3,431	7003143700000000000♠1,437 sq mi (7003372200000000000♠3,722 km²)
Hanson County	061	Alexandria	1873	Buffalo and Deuel counties	Joseph R. Hanson, army major in the Indian Wars and early settler	7003333100000000000♠3,331	7002435000000000000♠435 sq mi (7003112700000000000♠1,127 km²)
Harding County	063	Buffalo	1909	Unorganized lands	J.A. Harding, Speaker of the House for Dakota Territory	7003125500000000000♠1,255	7003267100000000000♠2,671 sq mi (7003691800000000000♠6,918 km²)
Hughes County	065	Pierre	1880	Buffalo County	Alexander Hughes, territorial legislator	7004170220000000000♠17,022	7002741000000000000♠741 sq mi (7003191900000000000♠1,919 km²)
Hutchinson County	067	Olivet	1862	Unorganized territory	John Hutchinson, territorial legislator	7003734300000000000♠7,343	7002813000000000000♠813 sq mi (7003210600000000000♠2,106 km²)
Hyde County	069	Highmore	1873	Buffalo County	James Hyde, territorial legislator	7003142000000000000♠1,420	7002861000000000000♠861 sq mi (7003223000000000000♠2,230 km²)
Jackson County	071	Kadoka	1914	Stanley County	J.R. Jackson, territorial legislator	7003303100000000000♠3,031	7003186900000000000♠1,869 sq mi (7003484100000000000♠4,841 km²)
Jerauld County	073	Wessington Springs	1883	Aurora County	H.A. Jerauld, territorial legislator	7003207000000000000♠2,070	7002530000000000000♠530 sq mi (7003137300000000000♠1,373 km²)
Jones County	075	Murdo	1916	Lyman County	George W. Jones, territorial legislator	7003100600000000000♠1,006	7002971000000000000♠971 sq mi (7003251500000000000♠2,515 km²)
Kingsbury County	077	De Smet	1873	Hanson County	George W. Kingsbury and T.A. Kingsbury, brothers and territorial legislators	7003514800000000000♠5,148	7002838000000000000♠838 sq mi (7003217000000000000♠2,170 km²)
Lake County	079	Madison	1873	Brookings and Hanson counties	Lakes within the county	7004112000000000000♠11,200	7002563000000000000♠563 sq mi (7003145800000000000♠1,458 km²)
Lawrence County	081	Deadwood	1875	Unorganized territory	John Lawrence (1839 - 1889), territorial legislator	7004240970000000000♠24,097	7002800000000000000♠800 sq mi (7003207200000000000♠2,072 km²)
Lincoln County	083	Canton	1867	Unorganized territory	Lincoln County, Maine	7004448280000000000♠44,828	7002578000000000000♠578 sq mi (7003149700000000000♠1,497 km²)
Lyman County	085	Kennebec	1873	Unorganized territory	W.P. Lyman, territorial legislator	7003375500000000000♠3,755	7003164000000000000♠1,640 sq mi (7003424800000000000♠4,248 km²)
Marshall County	091	Britton	1885	Day County	Marshall Vincent, Day County Commissioner	7003465600000000000♠4,656	7002839000000000000♠839 sq mi (7003217300000000000♠2,173 km²)
McCook County	087	Salem	1873	Hanson County	Edwin McCook, Secretary of Dakota Territory	7003561800000000000♠5,618	7002575000000000000♠575 sq mi (7003148900000000000♠1,489 km²)
McPherson County	089	Leola	1873	Buffalo County	James B. McPherson (1828 - 1864), Civil War general	7003245900000000000♠2,459	7003113700000000000♠1,137 sq mi (7003294500000000000♠2,945 km²)
Meade County	093	Sturgis	1889	Lawrence County	George Meade (1815 - 1872), Civil War general	7004254340000000000♠25,434	7003347100000000000♠3,471 sq mi (7003899000000000000♠8,990 km²)
Mellette County	095	White River	1909	Lyman County	Arthur C. Mellette, first Governor of South Dakota	7003204800000000000♠2,048	7003130700000000000♠1,307 sq mi (7003338500000000000♠3,385 km²)
Miner County	097	Howard	1873	Hanson County	Nelson Miner and Ephriam Miner, brothers and territorial legislators	7003238900000000000♠2,389	7002570000000000000♠570 sq mi (7003147600000000000♠1,476 km²)
Minnehaha County	099	Sioux Falls	1862	Unorganized territory	Sioux term for waterfall	7005169468000000000♠169,468	7002809000000000000♠809 sq mi (7003209500000000000♠2,095 km²)
Moody County	101	Flandreau	1873	Brookings and Minnehaha counties	Gideon C. Moody, Speaker of the House for Dakota Territory	7003648600000000000♠6,486	7002520000000000000♠520 sq mi (7003134700000000000♠1,347 km²)
Oglala Lakota County	102		1875	Fall River County	Oglala Lakota tribe	7004135860000000000♠13,586	7003209400000000000♠2,094 sq mi (7003542300000000000♠5,423 km²)
Pennington County	103	Rapid City	1875	Unorganized territory	John L. Pennington (1821 - 1900), Governor of Dakota Territory	7005100948000000000♠100,948	7003277600000000000♠2,776 sq mi (7003719000000000000♠7,190 km²)
Perkins County	105	Bison	1909	Butte and Harding counties	Henry E. Perkins, state senator	7003298200000000000♠2,982	7003287200000000000♠2,872 sq mi (7003743800000000000♠7,438 km²)
Potter County	107	Gettysburg	1875	Buffalo County	Joel A. Potter, territorial legislator	7003232900000000000♠2,329	7002866000000000000♠866 sq mi (7003224300000000000♠2,243 km²)
Roberts County	109	Sisseton	1883	Grant County	S.G. Roberts, territorial legislator	7004101490000000000♠10,149	7003110100000000000♠1,101 sq mi (7003285200000000000♠2,852 km²)
Sanborn County	111	Woonsocket	1883	Miner County	George W. Sanborn, president of the Milwaukee Railroad	7003235500000000000♠2,355	7002569000000000000♠569 sq mi (7003147400000000000♠1,474 km²)
Spink County	115	Redfield	1873	Hanson County	S.L. Spink, Secretary of Dakota Territory	7003645100000000000♠6,451	7003150400000000000♠1,504 sq mi (7003389500000000000♠3,895 km²)
Stanley County	117	Fort Pierre	1873	Unorganized territory	David S. Stanley, commander of Fort Sully	7003296600000000000♠2,966	7003144300000000000♠1,443 sq mi (7003373700000000000♠3,737 km²)
Sully County	119	Onida	1873	Potter County	Fort Sully, itself named after General Alfred Sully	7003137300000000000♠1,373	7003100700000000000♠1,007 sq mi (7003260800000000000♠2,608 km²)
Todd County	121		1909	Meyer and Tripp counties	John Blair Smith Todd, territorial delegate to Congress	7003961200000000000♠9,612	7003138800000000000♠1,388 sq mi (7003359500000000000♠3,595 km²)
Tripp County	123	Winner	1873	Unorganized territory	Bartlett Tripp, Chief Justice of the Dakota Territorial Supreme Court	7003564400000000000♠5,644	7003161400000000000♠1,614 sq mi (7003418000000000000♠4,180 km²)
Turner County	125	Parker	1871	Lincoln County	John W. Turner, territorial legislator	7003834700000000000♠8,347	7002617000000000000♠617 sq mi (7003159800000000000♠1,598 km²)
Union County	127	Elk Point	1862	Unorganized territory	The union of the American states	7004143990000000000♠14,399	7002460000000000000♠460 sq mi (7003119100000000000♠1,191 km²)
Walworth County	129	Selby	1873	Buffalo County	Walworth County, Wisconsin	7003543800000000000♠5,438	7002708000000000000♠708 sq mi (7003183400000000000♠1,834 km²)
Yankton County	135	Yankton	1862	Unorganized territory	Yankton Sioux Native Americans	7004224380000000000♠22,438	7002522000000000000♠522 sq mi (7003135200000000000♠1,352 km²)
Ziebach County	137	Dupree	1911	Armstrong, Schnasse, and Sterling counties	Frank M. Ziebach, publisher and army major during the Indian Wars	7003280100000000000♠2,801	7003196200000000000♠1,962 sq mi (7003508200000000000♠5,082 km²)

Former names

Shannon County: renamed Oglala Lakota County in 2015

Former counties

Armstrong County (1883–1952): Created by Dakota Territory as Pyatt County in 1883 from Cheyenne, Rusk (Dewey), and Stanely Counties. Renamed Armstrong in 1895. The western half was annexed to form part of the second Ziebach County, in 1911. The remainder was annexed into Dewey in 1952.
Ashmore County
Big Sioux County
Boreman County (1873–1909): Created by Dakota Territory from unorganized lands in 1873. Lost territory to North Dakota when South Dakota became a state in 1889. Abolished in 1909 when it became part of Corson County.
Bramble County
Bruguier County
Burchard County
Burdick County
Cheyenne County
Choteau County
Cole County
Cragin County
Delano County
Ewing County (1889–1890): Created upon statehood. Abolished one year later, when it became the northern half of Harding County.
Forsythe County
Greely County, South Dakota
Jayne County
Lugenbeel County (1875–1909): Created by Dakota Territory from unorganized lands and Meyer and Pratt Counties in 1875. Abolished in 1909 when it became part of Bennett and Todd Counties.
Mandan County
Martin County
Meyer County
Midway County
Mills County
Nowlin County (1883–1898): Created by Dakota Territory in 1883 from Cheyenne and White River Counties. Abolished in 1898 when it became part of Lyman and Stanley Counties.
Pratt County
Presho County
Pyatt County (1883–1895): Created by Dakota Territory from unorganized lands in 1883. Renamed Armstrong in 1895.
Rinehart County
Rusk County
Schnasse County (1883–1911): Created by Dakota Territory from unorganized lands and part of Boreman County in 1883. Lost territory to North Dakota when South Dakota became a state. Abolished in 1911 when it became part of Ziebach County.
Scobey County
Sterling County (1883–1911): Created by Dakota Territory from Cheyenne County. Abolished in 1911 when it became part of Ziebach County.
Stone County
Thompson County
Wagner County,
Washabaugh County (1883–1983): South Dakota's most recent county to be eliminated. Created by Dakota Territory in 1883. Abolished in 1983 when it was merged with Jackson County.
Washington County (1888–1943): Abolished in 1943 when it was diverged into Jackson, Pennington and Shannon Counties.
Wetmore County
White River County
Wood County
Ziebach County (1889–1890): Created in 1889, upon statehood. Abolished in 1890, becoming the eastern portion of Pennington County. The name was revived in 1911, when a second Ziebach County was created from parts of Sterling, Schnasse and Pyatt Counties.

Population density map

Darker colors indicate heavier density.

References

↑ "South Dakota Counties, Regions, Tourism and State Index". Global Index. Archived from the original on January 2, 2006. Retrieved February 5, 2006.
↑ "EPA County FIPS Code Listing". Environmental Protection Agency. Retrieved May 1, 2008.
1 2 3 "NACo - Find a county". National Association of Counties. Retrieved May 1, 2008.
↑ "South Dakota". USA Today. Retrieved April 2, 2011.

Long, John H. (2006). "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library.
Long, John H. (2006). "South Dakota: Consolidated Chronology of State and County Boundaries". South Dakota Atlas of Historical County Boundaries. The Newberry Library.

State of South Dakota

Pierre (capital)

Topics	Delegations Famous South Dakotans Geography Government History Timeline Transportation Symbols Universities Visitor attractions

Society	Culture Crime Demographics Economy Education Politics

Regions	Badlands Black Hills Coteau des Prairies Coteau du Missouri Dissected Till Plains Drift Prairie East River Pine Ridge Siouxland West River

Larger cities pop. over 5,000	Aberdeen Belle Fourche Box Elder Brandon Brookings Harrisburg Huron Madison Mitchell Pierre Rapid City Sioux Falls Spearfish Sturgis Vermillion Watertown Yankton

Smaller cities pop. 1,000 - 5,000	Baltic Beresford Britton Canton Chamberlain Clark Clear Lake Crooks Custer De Smet Deadwood Dell Rapids Eagle Butte Elk Point Flandreau Fort Pierre Freeman Garretson Gettysburg Gregory Groton Hartford Hot Springs Lead Lemmon Lennox Martin Milbank Miller Mission Mobridge North Sioux City Parker Parkston Platte Redfield Salem Sisseton Springfield Summerset Tea Tyndall Volga Wagner Webster Winner

Largest CDPs pop. over 1,000	Blackhawk Colonial Pine Hills Dakota Dunes Fort Thompson North Eagle Butte North Spearfish Oglala Pine Ridge Porcupine Rapid Valley Rosebud

Counties	Aurora Beadle Bennett Bon Homme Brookings Brown Brule Buffalo Butte Campbell Charles Mix Clark Clay Codington Corson Custer Davison Day Deuel Dewey Douglas Edmunds Fall River Faulk Grant Gregory Haakon Hamlin Hand Hanson Harding Hughes Hutchinson Hyde Jackson Jerauld Jones Kingsbury Lake Lawrence Lincoln Lyman Marshall McCook McPherson Meade Mellette Miner Minnehaha Moody Oglala Lakota Pennington Perkins Potter Roberts Sanborn Spink Stanley Sully Todd Tripp Turner Union Walworth Yankton Ziebach

List of United States counties and county equivalents

States	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Federal district	Washington, D.C.

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