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
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South Dakota Population By County in 2020
County
Population
% of State Population
Minnehaha 197,695 22.27
Pennington 109,566 12.34
Lincoln 65,648 7.39
Brown 38,225 4.31
Brookings 34,343 3.87
Meade 29,899 3.37
Codington 28,351 3.19
Lawrence 25,844 2.91
Yankton 23,286 2.62
Davison 19,956 2.25
Beadle 19,165 2.16
Hughes 17,740 2.00
Union 16,860 1.90
Clay 15,000 1.69
Oglala Lakota 13,648 1.54
Lake 11,017 1.24
Butte 10,293 1.16
Roberts 10,250 1.15
Charles Mix 9,368 1.06
Todd 9,323 1.05
Turner 8,675 0.98
Custer 8,335 0.94
Grant 7,538 0.85
Hutchinson 7,426 0.84
Bon Homme 6,970 0.79
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