Counties of South Dakota

South Dakota has 66 counties, home to 935,094 people across 196,342 km². Each county below opens its full profile — Census Bureau and American Community Survey figures, and how it ranks against the rest of South Dakota and the country.

Counties
66
Population
935,094
2025 estimate
#46 of 51 states
Area
196,342 km²
#16 of 51 states
Density
5
per km²
#47 of 51 states
How South Dakota's counties spread

Across South Dakota's counties: the middle value, where the state ranks among all states (1 = highest median), and which county is highest and lowest. Medians rather than totals, since most of these are rates that cannot be added up.

Amenities & Infrastructure
IndicatorMedian
Households with Broadband202486.3%
Median Gross Rent2024$762
Median Home Value2024$166,500
Owner-Occupied Homes202473.7%
Vacant Homes202417.0%
Demography
IndicatorMedian
Aged 65 and Over202420.9%
American Indian & Alaska Native20242.2%
Asian, non-Hispanic20240.3%
Average Household Size2024people2.4
Black, non-Hispanic20240.3%
Foreign-Born20241.6%
Hispanic or Latino20243.0%
Median Age2024years41.5
Sex Ratio2024per 1,000 males974
Speak a Language Other Than English20245.2%
Under 18202424.3%
Veterans20247.3%
White, non-Hispanic202487.2%
Economy
IndicatorMedian
Below Poverty Line202410.9%
Households on SNAP20246.2%
Income Inequality2024index0.446
Median Household Income2024$72,653
Per Capita Income2024$38,348
Unemployment Rate20242.2%
Education
IndicatorMedian
Bachelor's Degree or Higher202425.2%
High School or Higher202492.5%
Health Coverage
IndicatorMedian
No Health Insurance20247.8%
With a Disability202412.7%
Population & Density
IndicatorMedian
Population20255,352
Population Density2025/km²2
Work & Commute
IndicatorMedian
Commute by Public Transit20240.0%
Households with No Vehicle20244.5%
Mean Commute Time2024minutes17.5
Work from Home20249.8%
All counties
CountyPopulation 2025
Aurora County2,801
Beadle County19,624
Bennett County3,307
Bon Homme County7,244
Brookings County37,635
Brown County37,561
Brule County5,278
Buffalo County1,802
Butte County10,856
Campbell County1,377
Charles Mix County9,303
Clark County4,031
Clay County15,031
Codington County29,562
Corson County3,781
Custer County9,431
Davison County20,069
Day County5,484
Deuel County4,408
Dewey County5,419
Douglas County2,888
Edmunds County4,022
Fall River County7,467
Faulk County2,178
Grant County7,534
Gregory County4,037
Haakon County1,802
Hamlin County6,900
Hand County3,121
Hanson County3,456
Harding County1,331
Hughes County17,570
Hutchinson County7,413
Hyde County1,191
Jackson County2,666
Jerauld County1,654
Jones County913
Kingsbury County5,284
Lake County10,993
Lawrence County29,459
Lincoln County77,145
Lyman County3,694
Marshall County4,426
McCook County5,964
McPherson County2,347
Meade County30,711
Mellette County2,137
Miner County2,281
Minnehaha County212,691
Moody County6,632
Oglala Lakota County13,338
Pennington County116,792
Perkins County2,853
Potter County2,377
Roberts County10,255
Sanborn County2,388
Spink County6,155
Stanley County3,018
Sully County1,479
Todd County8,863
Tripp County5,708
Turner County9,314
Union County17,402
Walworth County5,217
Yankton County23,635
Ziebach County2,389
Compare South Dakota's counties on a map, add layers and run a scatter — open the atlas, or browse all 3,144 US counties or all states.