List of counties in South Dakota
Table of counties

List of counties in South Dakota

Section Title: Table of counties
Table Section Text: None

County	FIPS code	County seat	Established	Formed from	Etymology	Population	Area	Map

Aurora County	003	Plankinton	1881	Cragin and Wetmore counties	Aurora, Roman goddess of dawn	2,710	708 sq mi (1,834 km2)	State map highlighting Aurora County

Beadle County	005	Huron	1879	Buchard, Clark, Kingsbury, and Spink counties	William Henry Harrison Beadle, chief surveyor of Dakota Territory	17,398	1,259 sq mi (3,261 km2)	State map highlighting Beadle County

Bennett County	007	Martin	1909	Lugenbeel, Oglala Lakota, Washabaugh, and Washington counties	Granville G. Bennett, justice of the Supreme Court for the Dakota Territory	3,431	1,185 sq mi (3,069 km2)	State map highlighting Bennett County

Bon Homme County	009	Tyndall	1862	Unorganized territory	French phrase meaning "good man"	7,070	563 sq mi (1,458 km2)	State map highlighting Bon Homme County

Brookings County	011	Brookings	1862	Unorganized territory	Wilmot Brookings (1830 - 1905), Dakota Territory Supreme Court justice	31,965	794 sq mi (2,056 km2)	State map highlighting Brookings County

Brown County	013	Aberdeen	1879	Beadle County	Alfred Brown, territorial legislator	36,531	1,713 sq mi (4,437 km2)	State map highlighting Brown County

Brule County	015	Chamberlain	1875	Charles Mix County	Brulé Sioux Native Americans	5,255	819 sq mi (2,121 km2)	State map highlighting Brule County

Buffalo County	017	Gann Valley	1873	Unorganized territory	American Bison	1,912	471 sq mi (1,220 km2)	State map highlighting Buffalo County

Butte County	019	Belle Fourche	1883	Harding	Buttes in the region	10,110	2,249 sq mi (5,825 km2)	State map highlighting Butte County

Campbell County	021	Mound City	1873	Buffalo	Newton B. Campbell, territorial legislator	1,466	736 sq mi (1,906 km2)	State map highlighting Campbell County

Charles Mix County	023	Lake Andes	1862	Unorganized territory	Charles Eli Mix, commissioner of Indian Affairs	9,129	1,098 sq mi (2,844 km2)	State map highlighting Charles Mix County

Clark County	025	Clark	1873	Hanson	Newton Clark, territorial legislator	3,691	958 sq mi (2,481 km2)	State map highlighting Clark County

Clay County	027	Vermillion	1862	Unorganized territory	Henry Clay (1777 - 1852), U.S. Senator from Kentucky and prominent 19th Century political figure	13,864	412 sq mi (1,067 km2)	State map highlighting Clay County

Codington County	029	Watertown	1877	Indian lands	Reverend G.S. Codington, territorial legislator	27,227	688 sq mi (1,782 km2)	State map highlighting Codington County

Corson County	031	McIntosh	1909	Indian lands	Dighton Corson, a Justice of the South Dakota Supreme Court	4,050	2,473 sq mi (6,405 km2)	State map highlighting Corson County

Custer County	033	Custer	1875	Indian lands	General George Armstrong Custer (1839 - 1876), key figure in the Indian Wars	8,216	1,558 sq mi (4,035 km2)	State map highlighting Custer County

Davison County	035	Mitchell	1873	Hanson	Henry C. Davison, prominent merchant and early settler	19,504	436 sq mi (1,129 km2)	State map highlighting Davison County

Day County	037	Webster	1879	Clark	Merrit H. Day, territorial legislator	5,710	1,029 sq mi (2,665 km2)	State map highlighting Day County

Deuel County	039	Clear Lake	1862	Brookings	Jacob S. Deuel, territorial legislator	4,364	624 sq mi (1,616 km2)	State map highlighting Deuel County

Dewey County	041	Timber Lake	1873	Armstrong County and Indian lands	William P. Dewey, territorial surveyor-general	5,301	2,303 sq mi (5,965 km2)	State map highlighting Dewey County

Douglas County	043	Armour	1873	Charles Mix	Stephen A. Douglas (1813 - 1861), U.S.	3,002	434 sq mi (1,124 km2)	State map highlighting Douglas County

Edmunds County	045	Ipswich	1873	Buffalo	Newton Edmunds, Governor of Dakota Territory	4,071	1,146 sq mi (2,968 km2)	State map highlighting Edmunds County

Fall River County	047	Hot Springs	1883	Custer	Fall River	7,094	1,740 sq mi (4,507 km2)	State map highlighting Fall River County

Faulk County	049	Faulkton	1873	Unorganized lands	Andrew Jackson Faulk, Governor of Dakota Territory	2,364	1,000 sq mi (2,590 km2)	State map highlighting Faulk County

Grant County	051	Milbank	1873	Codington and Deuel counties	Ulysses S. Grant (1822 - 1885), U.S. President and American Civil War general	7,356	682 sq mi (1,766 km2)	State map highlighting Grant County

Gregory County	053	Burke	1862	Unorganized territory	John Shaw Gregory, territorial legislator	4,271	1,016 sq mi (2,631 km2)	State map highlighting Gregory County

Haakon County	055	Philip	1914	Stanley County	King Haakon VII of Norway	1,937	1,813 sq mi (4,696 km2)	State map highlighting Haakon County

Hamlin County	057	Hayti	1873	Deuel County	Hannibal Hamlin, Vice-President and United States Senator from Maine	5,903	511 sq mi (1,323 km2)	State map highlighting Hamlin County

Hand County	059	Miller	1873	Buffalo County	George H. Hand, territorial legislator	3,431	1,437 sq mi (3,722 km2)	State map highlighting Hand County

Hanson County	061	Alexandria	1873	Buffalo and Deuel counties	Joseph R. Hanson, army major in the Indian Wars and early settler	3,331	435 sq mi (1,127 km2)	State map highlighting Hanson County

Harding County	063	Buffalo	1909	Unorganized lands	J.A. Harding, Speaker of the House for Dakota Territory	1,255	2,671 sq mi (6,918 km2)	State map highlighting Harding County

Hughes County	065	Pierre	1880	Buffalo County	Alexander Hughes, territorial legislator	17,022	741 sq mi (1,919 km2)	State map highlighting Hughes County

Hutchinson County	067	Olivet	1862	Unorganized territory	John Hutchinson, territorial legislator	7,343	813 sq mi (2,106 km2)	State map highlighting Hutchinson County

Hyde County	069	Highmore	1873	Buffalo County	James Hyde, territorial legislator	1,420	861 sq mi (2,230 km2)	State map highlighting Hyde County

Jackson County	071	Kadoka	1914	Stanley County	J.R. Jackson, territorial legislator	3,031	1,869 sq mi (4,841 km2)	State map highlighting Jackson County

Jerauld County	073	Wessington Springs	1883	Aurora County	H.A. Jerauld, territorial legislator	2,070	530 sq mi (1,373 km2)	State map highlighting Jerauld County

Jones County	075	Murdo	1916	Lyman County	George W. Jones, territorial legislator	1,006	971 sq mi (2,515 km2)	State map highlighting Jones County

Kingsbury County	077	De Smet	1873	Hanson County	George W. Kingsbury and T.A. Kingsbury, brothers and territorial legislators	5,148	838 sq mi (2,170 km2)	State map highlighting Kingsbury County

Lake County	079	Madison	1873	Brookings and Hanson counties	Lakes within the county	11,200	563 sq mi (1,458 km2)	State map highlighting Lake County

Lawrence County	081	Deadwood	1875	Unorganized territory	John Lawrence (1839 - 1889), territorial legislator	24,097	800 sq mi (2,072 km2)	State map highlighting Lawrence County

Lincoln County	083	Canton	1867	Unorganized territory	Lincoln County, Maine	44,828	578 sq mi (1,497 km2)	State map highlighting Lincoln County

Lyman County	085	Kennebec	1873	Unorganized territory	W.P. Lyman, territorial legislator	3,755	1,640 sq mi (4,248 km2)	State map highlighting Lyman County

Marshall County	091	Britton	1885	Day County	Marshall Vincent, Day County Commissioner	4,656	839 sq mi (2,173 km2)	State map highlighting Marshall County

McCook County	087	Salem	1873	Hanson County	Edwin McCook, Secretary of Dakota Territory	5,618	575 sq mi (1,489 km2)	State map highlighting McCook County

McPherson County	089	Leola	1873	Buffalo County	James B. McPherson (1828 - 1864), Civil War general	2,459	1,137 sq mi (2,945 km2)	State map highlighting McPherson County

Meade County	093	Sturgis	1889	Lawrence County	George Meade (1815 - 1872), Civil War general	25,434	3,471 sq mi (8,990 km2)	State map highlighting Meade County

Mellette County	095	White River	1909	Lyman County	Arthur C. Mellette, first Governor of South Dakota	2,048	1,307 sq mi (3,385 km2)	State map highlighting Mellette County

Miner County	097	Howard	1873	Hanson County	Nelson Miner and Ephriam Miner, brothers and territorial legislators	2,389	570 sq mi (1,476 km2)	State map highlighting Miner County

Minnehaha County	099	Sioux Falls	1862	Unorganized territory	Sioux term for waterfall	169,468	809 sq mi (2,095 km2)	State map highlighting Minnehaha County

Moody County	101	Flandreau	1873	Brookings and Minnehaha counties	Gideon C. Moody, Speaker of the House for Dakota Territory	6,486	520 sq mi (1,347 km2)	State map highlighting Moody County

Oglala Lakota County	102	1875	Fall River County	Oglala Lakota tribe	13,586	2,094 sq mi (5,423 km2)	State map highlighting Oglala Lakota County

Pennington County	103	Rapid City	1875	Unorganized territory	John L. Pennington (1829 - 1900), Governor of Dakota Territory	100,948	2,776 sq mi (7,190 km2)	State map highlighting Pennington County

Perkins County	105	Bison	1909	Butte and Harding counties	Henry E. Perkins, state senator	2,982	2,872 sq mi (7,438 km2)	State map highlighting Perkins County

Potter County	107	Gettysburg	1875	Buffalo County	Joel A. Potter, territorial legislator	2,329	866 sq mi (2,243 km2)	State map highlighting Potter County

Roberts County	109	Sisseton	1883	Grant County	S.G. Roberts, territorial legislator	10,149	1,101 sq mi (2,852 km2)	State map highlighting Roberts County

Sanborn County	111	Woonsocket	1883	Miner County	George W. Sanborn, president of the Milwaukee Railroad	2,355	569 sq mi (1,474 km2)	State map highlighting Sanborn County

Spink County	115	Redfield	1873	Hanson County	S.L. Spink, Secretary of Dakota Territory	6,451	1,504 sq mi (3,895 km2)	State map highlighting Spink County

Stanley County	117	Fort Pierre	1873	Unorganized territory	David S. Stanley, commander of Fort Sully	2,966	1,443 sq mi (3,737 km2)	State map highlighting Stanley County

Sully County	119	Onida	1873	Potter County	Fort Sully, itself named after General Alfred Sully	1,373	1,007 sq mi (2,608 km2)	State map highlighting Sully County

Todd County	121	1909	Meyer and Tripp counties	John Blair Smith Todd, territorial delegate to Congress	9,612	1,388 sq mi (3,595 km2)	State map highlighting Todd County

Tripp County	123	Winner	1873	Unorganized territory	Bartlett Tripp, Chief Justice of the Dakota Territorial Supreme Court	5,644	1,614 sq mi (4,180 km2)	State map highlighting Tripp County

Turner County	125	Parker	1871	Lincoln County	John W. Turner, territorial legislator	8,347	617 sq mi (1,598 km2)	State map highlighting Turner County

Union County	127	Elk Point	1862	Unorganized territory	The union of the American states	14,399	460 sq mi (1,191 km2)	State map highlighting Union County

Walworth County	129	Selby	1873	Buffalo County	Walworth County, Wisconsin	5,438	708 sq mi (1,834 km2)	State map highlighting Walworth County

Yankton County	135	Yankton	1862	Unorganized territory	Yankton Sioux Native Americans	22,438	522 sq mi (1,352 km2)	State map highlighting Yankton County

Ziebach County	137	Dupree	1911	Armstrong, Schnasse, and Sterling counties	Frank M. Ziebach, publisher and army major during the Indian Wars	2,801	1,962 sq mi (5,082 km2)	State map highlighting Ziebach County

Sentence(s)

The population of Hughes County was 17,022, and was the twelfth-most populous county in South Dakota.

final_sentence: The population of Hughes County was 17,022, and was the twelfth-most populous county in South Dakota.