South Dakota County Map With Cities
By Marko Visic · Updated Oct 5, 2026
South Dakota has 66 counties, covering 75,809 square miles of land. The Census Bureau estimates its population at 935,094 as of July 1, 2025. The largest county by land area is Meade County; the most populous is Minnehaha County; the least populous is Jones County.
Tap or click any county for details. Need a printable version? Blank South Dakota map (PDF/PNG/SVG).
All 66 South Dakota counties
| County | FIPS code | Population (July 1, 2025) ▼ | Change since April 2020 | Land area (sq mi) | People per sq mi | Median household income (2020–2024) |
|---|---|---|---|---|---|---|
| Minnehaha County | 46099 | 212,691 | +7.9% | 807 | 264 | $76,880 |
| Pennington County | 46103 | 116,792 | +6.9% | 2,777 | 42 | $74,517 |
| Lincoln County | 46083 | 77,145 | +18.4% | 577 | 134 | $99,166 |
| Brookings County | 46011 | 37,635 | +9.5% | 792 | 48 | $70,064 |
| Brown County | 46013 | 37,561 | -1.9% | 1,713 | 22 | $70,898 |
| Meade County | 46093 | 30,711 | +2.9% | 3,471 | 9 | $74,790 |
| Codington County | 46029 | 29,562 | +4.4% | 688 | 43 | $72,727 |
| Lawrence County | 46081 | 29,459 | +14.3% | 800 | 37 | $73,384 |
| Yankton County | 46135 | 23,635 | +1.4% | 521 | 45 | $72,821 |
| Davison County | 46035 | 20,069 | +0.6% | 436 | 46 | $66,208 |
| Beadle County | 46005 | 19,624 | +2.5% | 1,259 | 16 | $67,681 |
| Hughes County | 46065 | 17,570 | -1.1% | 742 | 24 | $81,395 |
| Union County | 46127 | 17,402 | +3.5% | 462 | 38 | $89,636 |
| Clay County | 46027 | 15,031 | +0.4% | 412 | 36 | $56,850 |
| Oglala Lakota County | 46102 | 13,338 | -2.5% | 2,094 | 6 | $41,417 |
| Lake County | 46079 | 10,993 | -0.6% | 563 | 20 | $76,808 |
| Butte County | 46019 | 10,856 | +6.0% | 2,250 | 5 | $75,652 |
| Roberts County | 46109 | 10,255 | -0.3% | 1,101 | 9 | $65,130 |
| Custer County | 46033 | 9,431 | +13.4% | 1,557 | 6 | $84,112 |
| Turner County | 46125 | 9,314 | +7.4% | 617 | 15 | $75,771 |
| Charles Mix County | 46023 | 9,303 | -0.8% | 1,097 | 8 | $64,038 |
| Todd County | 46121 | 8,863 | -4.9% | 1,389 | 6 | $42,075 |
| Grant County | 46051 | 7,534 | -0.4% | 681 | 11 | $75,028 |
| Fall River County | 46047 | 7,467 | +7.2% | 1,740 | 4 | $67,917 |
| Hutchinson County | 46067 | 7,413 | -0.2% | 813 | 9 | $73,977 |
| Bon Homme County | 46009 | 7,244 | +3.5% | 564 | 13 | $64,435 |
| Hamlin County | 46057 | 6,900 | +11.8% | 507 | 14 | $87,101 |
| Moody County | 46101 | 6,632 | +4.6% | 519 | 13 | $78,427 |
| Spink County | 46115 | 6,155 | -3.2% | 1,503 | 4 | $70,139 |
| McCook County | 46087 | 5,964 | +5.0% | 574 | 10 | $83,852 |
| Tripp County | 46123 | 5,708 | +1.4% | 1,612 | 4 | $58,987 |
| Day County | 46037 | 5,484 | +0.6% | 1,028 | 5 | $66,033 |
| Dewey County | 46041 | 5,419 | +3.3% | 2,302 | 2 | $54,104 |
| Kingsbury County | 46077 | 5,284 | +2.0% | 832 | 6 | $74,000 |
| Brule County | 46015 | 5,278 | +0.5% | 817 | 6 | $73,720 |
| Walworth County | 46129 | 5,217 | -1.9% | 707 | 7 | $65,026 |
| Marshall County | 46091 | 4,426 | +2.8% | 838 | 5 | $78,156 |
| Deuel County | 46039 | 4,408 | +2.6% | 623 | 7 | $83,112 |
| Gregory County | 46053 | 4,037 | +1.3% | 1,015 | 4 | $62,917 |
| Clark County | 46025 | 4,031 | +5.1% | 958 | 4 | $70,726 |
| Edmunds County | 46045 | 4,022 | +1.0% | 1,126 | 4 | $81,630 |
| Corson County | 46031 | 3,781 | -3.0% | 2,470 | 2 | $46,406 |
| Lyman County | 46085 | 3,694 | -0.5% | 1,642 | 2 | $67,143 |
| Hanson County | 46061 | 3,456 | -0.2% | 435 | 8 | $81,071 |
| Bennett County | 46007 | 3,307 | -2.2% | 1,185 | 3 | $53,750 |
| Hand County | 46059 | 3,121 | -0.8% | 1,437 | 2 | $74,635 |
| Stanley County | 46117 | 3,018 | +1.3% | 1,444 | 2 | $87,712 |
| Douglas County | 46043 | 2,888 | +1.9% | 432 | 7 | $86,442 |
| Perkins County | 46105 | 2,853 | +0.8% | 2,870 | 1 | $66,908 |
| Aurora County | 46003 | 2,801 | +2.1% | 708 | 4 | $72,885 |
| Jackson County | 46071 | 2,666 | -4.9% | 1,864 | 1 | $35,417 |
| Ziebach County | 46137 | 2,389 | -1.0% | 1,961 | 1 | $53,958 |
| Sanborn County | 46111 | 2,388 | +2.3% | 569 | 4 | $78,750 |
| Potter County | 46107 | 2,377 | -3.9% | 861 | 3 | $72,045 |
| McPherson County | 46089 | 2,347 | -2.5% | 1,137 | 2 | $66,906 |
| Miner County | 46097 | 2,281 | -0.7% | 570 | 4 | $76,140 |
| Faulk County | 46049 | 2,178 | +2.4% | 982 | 2 | $57,750 |
| Mellette County | 46095 | 2,137 | +11.4% | 1,307 | 2 | $54,076 |
| Buffalo County | 46017 | 1,802 | -7.3% | 471 | 4 | $47,045 |
| Haakon County | 46055 | 1,802 | -3.9% | 1,811 | 1 | $65,625 |
| Jerauld County | 46073 | 1,654 | -0.4% | 526 | 3 | $73,750 |
| Sully County | 46119 | 1,479 | +2.2% | 1,007 | 1 | $72,578 |
| Campbell County | 46021 | 1,377 | +0.1% | 734 | 2 | $68,929 |
| Harding County | 46063 | 1,331 | +2.0% | 2,672 | 0 | $80,441 |
| Hyde County | 46069 | 1,191 | -5.4% | 861 | 1 | $73,472 |
| Jones County | 46075 | 913 | -0.8% | 970 | 1 | $65,119 |
FIPS code: the Census Bureau’s five-digit county ID, a two-digit state code plus a three-digit county code. It is not a ZIP code.
How many counties does South Dakota have?
South Dakota has 66 counties covering 75,809 square miles. The state was admitted to the Union in 1889 as the 40th state.
The largest county by land area is Meade County at 3,471 square miles, home to 30,711 residents. The most populous is Minnehaha County with 212,691 residents — a density of 264 people per square mile. At the other end of the scale, Jones County has 913 residents.
South Dakota’s capital is Pierre, while the largest city is Sioux Falls.
Related resources
Download a printable outline of South Dakota’s county boundaries from our blank map of South Dakota page — available in SVG, PNG, and PDF.
Use the What County Am I In? tool to detect which South Dakota county a GPS location or address falls in, or the Address to County Lookup for batch input.
For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any South Dakota address and see every ZIP code and the total population inside.
Two SimpleMapLab studies cover South Dakota specifically: the 100-mile radius around Pierre measures how much of the state lives within 100 miles of its capitol, and the loneliest town in South Dakota ranks the state’s most isolated inhabited place. The county-counts blog post puts South Dakota’s 66 counties in national context.
Frequently asked questions
- County Population Totals, Vintage 2025: estimates for July 1, 2025, released March 2026
- Gazetteer Files, 2026: county land and water area
- American Community Survey 5-Year Estimates, 2020–2024: median household income (table B19013)
- County boundaries on the map: US Atlas TopoJSON build of the US Census Bureau’s TIGER/Line shapefiles. All figures are US Census Bureau data in the public domain.