South Dakota Population By County in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the population of South Dakota was 887,852. Among all South Dakota counties, Minnehaha had the highest population (197,695), followed by Pennington (109,566), and Lincoln (65,648). Jones was the least populated county (926).

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.

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South Dakota Population By County in 2020
South Dakota Population By County in 2020
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County Population % of State Population
Aurora 2735 0.31
Beadle 19165 2.16
Bennett 3388 0.38
Bon Homme 6970 0.79
Brookings 34343 3.87
Brown 38225 4.31
Brule 5241 0.59
Buffalo 1939 0.22
Butte 10293 1.16
Campbell 1378 0.16
Charles Mix 9368 1.06
Clark 3853 0.43
Clay 15000 1.69
Codington 28351 3.19
Corson 3895 0.44
Custer 8335 0.94
Davison 19956 2.25
Day 5444 0.61
Deuel 4295 0.48
Dewey 5225 0.59
Douglas 2834 0.32
Edmunds 3988 0.45
Fall River 6970 0.79
Faulk 2132 0.24
Grant 7538 0.85
Gregory 4003 0.45
Haakon 1866 0.21
Hamlin 6166 0.69
Hand 3140 0.35
Hanson 3463 0.39
Harding 1308 0.15
Hughes 17740 2.00
Hutchinson 7426 0.84
Hyde 1250 0.14
Jackson 2799 0.32
Jerauld 1648 0.19
Jones 926 0.10
Kingsbury 5199 0.59
Lake 11017 1.24
Lawrence 25844 2.91
Lincoln 65648 7.39
Lyman 3704 0.42
McCook 5670 0.64
McPherson 2402 0.27
Marshall 4308 0.49
Meade 29899 3.37
Mellette 1920 0.22
Miner 2304 0.26
Minnehaha 197695 22.27
Moody 6335 0.71
Oglala Lakota 13648 1.54
Pennington 109566 12.34
Perkins 2842 0.32
Potter 2473 0.28
Roberts 10250 1.15
Sanborn 2326 0.26
Spink 6340 0.71
Stanley 2971 0.34
Sully 1451 0.16
Todd 9323 1.05
Tripp 5611 0.63
Turner 8675 0.98
Union 16860 1.90
Walworth 5294 0.60
Yankton 23286 2.62
Ziebach 2395 0.27