Counties in South Dakota
South Dakota has 66 counties. Find yours from your location, or explore the map and the full list with seats, population, time zones and FIPS codes.
Updated · Data: U.S. Census Bureau
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South Dakota has 66 counties, home to about 899,194 people. Sort the table by any column, or search by name or seat.
Counties66time zones: Central, Mountain
Most peopleMinnehaha County200,689 residents, 22% of the state
Fewest peopleJones County1,030 residents
Most crowdedMinnehaha County249 people per sq mi
Largest by landMeade County3,470.9 sq mi
Priciest homesCuster Countymedian value $327,200
South Dakota county map
Population1.0k2.0k2.8k4.0k5.7k9.3k19kno data
County explorer: all 66 counties in South Dakota
| County | Seat | Population | Land sq mi | People / sq mi | Median home | Time zone | FIPS |
|---|---|---|---|---|---|---|---|
| Minnehaha | Sioux Falls | 200,689 | 806.8 | 249 | $266,600 | Central | 46099 |
| Pennington | Rapid City | 112,081 | 2,776.8 | 40 | $270,400 | Mountain | 46103 |
| Lincoln | Canton | 68,286 | 577.3 | 118 | $323,500 | Central | 46083 |
| Brown | Aberdeen | 38,079 | 1,713.0 | 22 | $212,900 | Central | 46013 |
| Brookings | Brookings | 34,968 | 792.2 | 44 | $246,300 | Central | 46011 |
| Meade | Sturgis | 30,297 | 3,470.9 | 9 | $274,800 | Mountain | 46093 |
| Codington | Watertown | 28,556 | 687.6 | 42 | $218,000 | Central | 46029 |
| Lawrence | Deadwood | 26,574 | 800.1 | 33 | $310,800 | Mountain | 46081 |
| Yankton | Yankton | 23,379 | 521.2 | 45 | $208,200 | Central | 46135 |
| Davison | Mitchell | 19,936 | 435.6 | 46 | $190,000 | Central | 46035 |
| Beadle | Huron | 19,279 | 1,258.7 | 15 | $178,400 | Central | 46005 |
| Hughes | Pierre | 17,732 | 741.5 | 24 | $221,100 | Central | 46065 |
| Union | Elk Point | 16,916 | 460.8 | 37 | $269,500 | Central | 46127 |
| Clay | Vermillion | 15,133 | 412.0 | 37 | $221,800 | Central | 46027 |
| Oglala Lakota | Hot Springs | 13,587 | 2,093.6 | 6 | $45,600 | Mountain | 46102 |
| Lake | Madison | 11,052 | 562.9 | 20 | $231,000 | Central | 46079 |
| Butte | Belle Fourche | 10,538 | 2,250.0 | 5 | $207,700 | Mountain | 46019 |
| Roberts | Sisseton | 10,219 | 1,101.1 | 9 | $139,100 | Central | 46109 |
| Todd | Winner | 9,293 | 1,388.6 | 7 | $45,200 | Central | 46121 |
| Charles Mix | Lake Andes | 9,281 | 1,097.1 | 8 | $169,200 | Central | 46023 |
| Turner | Parker | 8,772 | 617.1 | 14 | $199,000 | Central | 46125 |
| Custer | Custer | 8,686 | 1,556.9 | 6 | $327,200 | Mountain | 46033 |
| Grant | Milbank | 7,544 | 681.4 | 11 | $179,400 | Central | 46051 |
| Hutchinson | Olivet | 7,393 | 813.0 | 9 | $160,500 | Central | 46067 |
| Fall River | Hot Springs | 7,179 | 1,739.9 | 4 | $176,300 | Mountain | 46047 |
| Bon Homme | Tyndall | 7,024 | 563.5 | 12 | $120,300 | Central | 46009 |
| Moody | Flandreau | 6,371 | 519.4 | 12 | $206,300 | Central | 46101 |
| Hamlin | Hayti | 6,288 | 507.1 | 12 | $207,700 | Central | 46057 |
| Spink | Redfield | 6,283 | 1,503.5 | 4 | $117,400 | Central | 46115 |
| McCook | Salem | 5,732 | 574.2 | 10 | $217,300 | Central | 46087 |
| Tripp | Winner | 5,607 | 1,612.3 | 3 | $137,100 | Central | 46123 |
| Day | Webster | 5,460 | 1,028.5 | 5 | $155,100 | Central | 46037 |
| Walworth | Selby | 5,298 | 707.5 | 7 | $130,000 | Central | 46129 |
| Brule | Chamberlain | 5,261 | 817.2 | 6 | $205,500 | Central | 46015 |
| Dewey | Timber Lake | 5,230 | 2,302.4 | 2 | $75,400 | Mountain | 46041 |
| Kingsbury | De Smet | 5,210 | 832.2 | 6 | $159,600 | Central | 46077 |
| Marshall | Britton | 4,355 | 838.1 | 5 | $147,200 | Central | 46091 |
| Deuel | Clear Lake | 4,318 | 622.7 | 7 | $180,100 | Central | 46039 |
| Edmunds | Ipswich | 4,033 | 1,126.0 | 4 | $163,600 | Central | 46045 |
| Gregory | Burke | 3,993 | 1,014.9 | 4 | $129,000 | Central | 46053 |
| Clark | Clark | 3,876 | 957.5 | 4 | $141,900 | Central | 46025 |
| Corson | McIntosh | 3,859 | 2,469.7 | 2 | $73,800 | Mountain | 46031 |
| Lyman | Kennebec | 3,717 | 1,642.3 | 2 | $156,500 | Central | 46085 |
| Hanson | Alexandria | 3,473 | 434.6 | 8 | $192,400 | Central | 46061 |
| Bennett | Martin | 3,354 | 1,184.6 | 3 | $138,600 | Mountain | 46007 |
| Perkins | Bison | 3,058 | 2,870.5 | 1 | $105,900 | Mountain | 46105 |
| Hand | Miller | 3,045 | 1,436.6 | 2 | $152,100 | Central | 46059 |
| Stanley | Fort Pierre | 3,012 | 1,444.4 | 2 | $169,900 | Mountain (split) | 46117 |
| Jackson | Kadoka | 2,826 | 1,863.9 | 2 | $111,500 | Mountain | 46071 |
| Douglas | Armour | 2,823 | 431.8 | 7 | $125,000 | Central | 46043 |
| Aurora | Plankinton | 2,573 | 708.5 | 4 | $129,000 | Central | 46003 |
| Potter | Gettysburg | 2,430 | 861.1 | 3 | $121,300 | Central | 46107 |
| Ziebach | Dupree | 2,410 | 1,961.2 | 1 | $101,700 | Mountain | 46137 |
| Sanborn | Woonsocket | 2,370 | 569.2 | 4 | $138,500 | Central | 46111 |
| Miner | Howard | 2,299 | 570.2 | 4 | $114,100 | Central | 46097 |
| McPherson | Leola | 2,278 | 1,136.7 | 2 | $78,400 | Central | 46089 |
| Faulk | Faulkton | 2,137 | 981.7 | 2 | $124,100 | Central | 46049 |
| Mellette | White River | 2,043 | 1,307.3 | 2 | $63,000 | Central | 46095 |
| Jerauld | Wessington Springs | 1,845 | 526.1 | 4 | $127,000 | Central | 46073 |
| Buffalo | Gann Valley | 1,757 | 471.4 | 4 | $108,000 | Central | 46017 |
| Haakon | Philip | 1,708 | 1,810.5 | 1 | $153,200 | Mountain | 46055 |
| Campbell | Mound City | 1,481 | 733.7 | 2 | $87,900 | Central | 46021 |
| Sully | Onida | 1,481 | 1,006.7 | 1 | $198,700 | Central | 46119 |
| Hyde | Highmore | 1,305 | 860.6 | 2 | $134,500 | Central | 46069 |
| Harding | Buffalo | 1,092 | 2,671.6 | 0 | $156,400 | Mountain | 46063 |
| Jones | Murdo | 1,030 | 969.7 | 1 | $117,100 | Central | 46075 |
Which South Dakota cities are in more than one county?
- Sioux Falls: Minnehaha County 81.1%, Lincoln County 18.9% of residents
- Box Elder: Pennington County 63.3%, Meade County 36.7% of residents
- Beresford: Union County 79.0%, Lincoln County 21.0% of residents
- Eagle Butte: Dewey County 62.3%, Ziebach County 37.7% of residents
Sources: Census TIGER/Line 2024; ACS 2019-2023 5-year; Wikidata, CC0 (seats); timezone-boundary-builder (time zones). Data as of November 1, 2026. Not affiliated with any government agency.
FAQ
Frequently asked questions
How many counties are in South Dakota?
66.
What is the most populated county in South Dakota?
Minnehaha County, with about 200,689 people (22% of the state).
What is the least populated county in South Dakota?
Jones County, with about 1,030 people.
What is the largest county in South Dakota by land?
Meade County, 3,470.9 sq mi of land.
What county am I in, in South Dakota?
Use the tool at the top of this page: press Use my current location, or type your city or ZIP code.