South Dakota Population By County in 2020
Updated on January 29, 2024.
Based on the US Census Vintage data estimates, in 2020, the population of South Dakota was 887,799. Among all South Dakota counties, Minnehaha[object Promise] had the highest population (197,686), followed by Pennington[object Promise] (109,563), and Lincoln[object Promise] (65,650). Jones[object Promise] was the least populated county (925).
Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
You can see similar information for other states and by state for the United States.
Related Topics: South Dakota Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
South Dakota Population By County in 2020
South Dakota Population By County in 2020
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| County | Population | % of State Population |
|---|---|---|
| Aurora | 2733 | 0.31 |
| Beadle | 19165 | 2.16 |
| Bennett | 3389 | 0.38 |
| Bon Homme | 6973 | 0.79 |
| Brookings | 34350 | 3.87 |
| Brown | 38222 | 4.31 |
| Brule | 5253 | 0.59 |
| Buffalo | 1938 | 0.22 |
| Butte | 10286 | 1.16 |
| Campbell | 1377 | 0.16 |
| Charles Mix | 9356 | 1.05 |
| Clark | 3855 | 0.43 |
| Clay | 14996 | 1.69 |
| Codington | 28350 | 3.19 |
| Corson | 3891 | 0.44 |
| Custer | 8334 | 0.94 |
| Davison | 19962 | 2.25 |
| Day | 5442 | 0.61 |
| Deuel | 4294 | 0.48 |
| Dewey | 5224 | 0.59 |
| Douglas | 2829 | 0.32 |
| Edmunds | 3982 | 0.45 |
| Fall River | 6972 | 0.79 |
| Faulk | 2128 | 0.24 |
| Grant | 7532 | 0.85 |
| Gregory | 3997 | 0.45 |
| Haakon | 1870 | 0.21 |
| Hamlin | 6157 | 0.69 |
| Hand | 3145 | 0.35 |
| Hanson | 3465 | 0.39 |
| Harding | 1307 | 0.15 |
| Hughes | 17745 | 2.00 |
| Hutchinson | 7421 | 0.84 |
| Hyde | 1249 | 0.14 |
| Jackson | 2801 | 0.32 |
| Jerauld | 1648 | 0.19 |
| Jones | 925 | 0.10 |
| Kingsbury | 5203 | 0.59 |
| Lake | 11008 | 1.24 |
| Lawrence | 25838 | 2.91 |
| Lincoln | 65650 | 7.40 |
| Lyman | 3709 | 0.42 |
| McCook | 5673 | 0.64 |
| McPherson | 2402 | 0.27 |
| Marshall | 4315 | 0.49 |
| Meade | 29900 | 3.37 |
| Mellette | 1921 | 0.22 |
| Miner | 2310 | 0.26 |
| Minnehaha | 197686 | 22.27 |
| Moody | 6343 | 0.71 |
| Oglala Lakota | 13645 | 1.54 |
| Pennington | 109563 | 12.34 |
| Perkins | 2842 | 0.32 |
| Potter | 2480 | 0.28 |
| Roberts | 10250 | 1.16 |
| Sanborn | 2325 | 0.26 |
| Spink | 6347 | 0.72 |
| Stanley | 2969 | 0.33 |
| Sully | 1452 | 0.16 |
| Todd | 9317 | 1.05 |
| Tripp | 5603 | 0.63 |
| Turner | 8672 | 0.98 |
| Union | 16853 | 1.90 |
| Walworth | 5286 | 0.60 |
| Yankton | 23282 | 2.62 |
| Ziebach | 2392 | 0.27 |