List of counties in South Dakota

^Harding

^Perkins

^Corson

^Campbell

^McPherson

^Brown

^Marshall

^Roberts

^Day

^Grant

^Deuel

^Brookings

^Moody

^Love

^haha

^Lin-

^coln

^union

^Clay

^Yank

^volume

^Receipt

^Homme

^Charles

^Mix

^Gregory

^Tripp

^Todd

^Bennett

^Oglala

^Lakota

^{Fall River}

^Custer

^Pennington

^Law-

^rence

^Butte

^Meade

^Ziebach

^Dewey

^Whale-

^worth

^Edmunds

^Spink

^Clark

^Coding

^volume

^Hamlin

^Kings

^bury

^Lake

^Mc

^cook

^Gymnast

^Hutchin

^son

^Douglas

^Han

^son

^Davi-

^son

^Au-

^rora

^Brule

^Lyman

^Jones

^Mellette

^Jackson

^Haakon

^Stanley

^Sully

^Potter

^Lazy

^Hyde

^hand

^Beadle

^Miner

^San-

^born

^Jerauld

^Buffalo

^Hughes

The US -American state of South Dakota 's 66 counties divided.

The official abbreviation for South Dakota is SD and the FIPS code is 46 . The FIPS code of each individual county always starts with 46 , followed by the three-digit number given in the table for each county.

The population figures shown in the table are based on the results of the 2010 census .

county	FIPS code	County Seat	founding	Origin of name	Residents 2010	surface	map
Aurora	003	Plankinton	1881	Aurora (Roman goddess of the dawn)	2710	1834 km²
Beadle	005	Huron	1879	William Henry Harrison Beadle (1838–1915) - chief surveyor in the Dakota Territory	17,398	3261 km²
Bennett	007	Martin	1909	Granville G. Bennett (1833–1910) - Member of the US House of Representatives	3431	3069 km²
Bon Homme	009	Tyndall	1862	Bon Homme Island	7067	1458 km²
Brookings	011	Brookings	1892	Wilmot Brookings (1830–1905) - first Provisional Governor of the Dakota Territory before it was officially established in 1861	31,965	2056 km²
Brown	013	Aberdeen	1879	Alfred Brown - local politician	36,531	4437 km²
Brule	015	Chamberlain	1875	Indian tribe of the Brulé	5255	5364 km²
Buffalo	017	Gann Valley	1873	American bison	1912	1220 km²
Butte	019	Belle Fourche	1883	Hardened rocks (solitary rocks; English: buttes )	10.110	5825 km²
Campbell	021	Mound City	1883	Norman B. Campbel - then Dakota Territory MP and son, General Charles T. Campbell	1466	1998 km²
Charles Mix	023	Lake Andes	1862	Charles Eli Mix (1810–1878) - head of the Bureau of Indian Affairs from 1838 to 1868	9129	2844 km²
Clark	025	Clark	1873	Newton Clark - Local MP	3691	2481 km²
Clay	027	Vermillion	1862	Henry Clay (1777–1852) US Secretary of State (1825–1829)	13,864	1067 km²
Codington	029	Watertown	1877	Reverend GS Codington - local politician	27,227	1782 km²
Corson	031	McIntosh	1909	Dighton Corson - South Dakota Supreme Court Justice	4050	6551 km²
Custer	033	Custer	1875	George Armstrong Custer (1839–1876) - Union Army officer in the Civil War - later died in the Battle of Little Bighorn	8216	4038 km²
Davison	035	Mitchell	1874	Henry C. Davison - former settler and businessman	19,504	1131 km²
Day	037	Webster	1880	Merrit H. Day - local politician	5710	2826 km²
Deuel	039	Clear Lake	1862	Jacob S. Deuel - local politician	4364	1649 km²
Dewey	041	Timber Lake	1883	William P. Dewey - Head of the Dakota Territory Land Survey	5301	6334 km²
Douglas	043	Armor	1873	Stephen A. Douglas (1813–1861) - represented the State of Illinois in both Houses of Congress , ran in the presidential election of 1860 against Abraham Lincoln	3002	1124 km²
Edmunds	045	Ipswich	1873	Newton Edmunds (1819–1908) - second governor of the Dakota Territory from 1863 to 1866	4071	2981 km²
Fall River	047	Hot springs	1883	Fall River	7094	4530 km²
Lazy	049	Faulkton	1873	Andrew Jackson Faulk (1814–1898) - third Governor of the Dakota Territory from 1866 to 1869	2364	2605 km²
Grant	051	Milbank	1873	Ulysses S. Grant (1822–1885) - Commander in Chief of Union Forces in the Civil War and later 18th President of the USA	7356	1782 km²
Gregory	053	Burke	1862	John Shaw Gregory - local politician	4271	2728 km²
Haakon	055	Philip	1914	Haakon VII (1872–1957) - Norwegian king since 1905	1937	4732 km²
Hamlin	057	Hayti	1873	Hannibal Hamlin (1809–1891) - US Senator and 15th Vice President of the United States from 1861 to 1865	5903	1393 km²
hand	059	Miller	1873	George H. Hand - local politician	3431	1440 km²
Hanson	061	Alexandria	1873	Joseph R. Hanson Army officer in Indian Wars and early settler in the area	3331	1128 km²
Harding	063	Buffalo	1909	JA Harding Speaker for the Parliamentary Mission of the Dakota Territory	1255	6935 km²
Hughes	065	Pierre	1880	Alexander Hughes - local politician	17,022	2073 km²
Hutchinson	067	Olivet	1862	John Hutchinson - local politician	7343	2109 km²
Hyde	069	Highmore	1873	James Hyde - local politician	1420	2244 km²
Jackson	071	Kadoka	1914	JR Jackson - local politician	3031	1871 km²
Jerauld	073	Wessington Springs	1883	HA Jerauld - local politician	2071	1380 km²
Jones	075	Murdo	1916	George W. Jones - local politician	1006	2517 km²
Kingsbury	077	De Smet	1873	The brothers George W. Kingsbury and TA Kingsbury - local politicians	5148	2237 km²
Lake	079	Madison	1873	Named after the numerous lakes in the county	11,200	1489 km²
Lawrence	081	Deadwood	1875	John Lawrence (1839–1889) - US Marshal for the Dakota Territory and local politician	24.097	2073 km²
Lincoln	083	Canton	1862	Abraham Lincoln (1809–1865) - 16th President of the United States	44,828	1499 km²
Lyman	085	Kennebec	1873	WP Lyman - local politician	3755	4421 km²
Marshall	091	Britton	1885	Marshall Vincent - local politician	4656	2294 km²
McCook	087	Salem	1873	Edwin Stanton McCook (1837–1873) - General of the Union Forces in the Civil War and politician in the Dakota Territory	5618	1495 km²
McPherson	089	Leola	1885	James B. McPherson (1828–1864) - Union Forces General in the Civil War	2459	2983 km²
Meade	093	Sturgis	1889	George Gordon Meade (1815–1872) - General of the Union Forces in the Civil War	25,434	9020 km²
Mellette	095	White River	1909	Arthur C. Mellette (1842–1896) - first Governor of South Dakota from 1889 to 1893	2048	3392 km²
Miner	097	Howard	1873	The brothers Nelson Miner and Ephriam Miner - local politicians	2389	1481 km²
Minnehaha	099	Sioux Falls	1862	Word in the Sioux language for waterfall	169.471	2107 km²
Moody	101	Flandreau	1873	Gideon C. Moody Spokesman for the parliamentary representation of what was then Dakota Territory	6486	1350 km²
Oglala Lakota	113	none	1875	Oglala - Lakota - Local Indian tribe	13,586	5423 km²
Pennington	103	Rapid City	1875	John L. Pennington (1821–1900) - fifth governor of the Dakota Territory	100,948	7211 km²
Perkins	105	bison	1909	Henry E. Perkins - Former Senator from South Dakota	2982	7487 km²
Potter	107	Gettysberg	1875	Joel A. Potter - local politician	2329	2243 km²
Roberts	109	Sisseton	1883	SG Roberts - local politician	10.149	2852 km²
Sanborn	111	Woonsocket	1883	George W. Sanborn - President of Milwaukee Road	2355	1474 km²
Spink	115	Redfield	1873	SL Spink - politician in what was then Dakota Territory	6415	3895 km²
Stanley	117	Fort Pierre	1873	David S. Stanley (1828–1902) Major General of the Union Forces in the Civil War	2966	3737 km²
Sully	119	Onida	1873	Alfred Sully (1821–1879) army officer	1373	2608 km²
Todd	121	none	1909	John Blair Smith Todd (1814–1872) Member of the US House of Representatives	9612	3595 km²
Tripp	123	Winner	1873	Bartlett Tripp (1839–1911) politician and judge in what was then the Dakota Territory	5644	4180 km²
Gymnast	125	Parker	1871	John W. Turner local politician	8347	1558 km²
union	127	Elk Point	1862	The Union was the name for the United States , especially during the Civil War (as opposed to the Confederation of the South)	14,399	1191 km²
Walworth	129	Selby	1873	Walworth County , Wisconsin	5438	1834 km²
Yankton	135	Yankton	1862	Yankton Indian people	22,438	1352 km²
Ziebach	137	Dupree	1911	Frank M. Ziebach (1830–1929) politician in what was then Dakota territory	2801	5082 km²

Individual evidence

1. ↑ ^{a b c} U.S. Census Bureau - State & County QuickFacts Area Information in Square Miles - Converted to Square Kilometers - Retrieved July 5, 2013