South Dakota Population By County in 2015

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2015, the population of South Dakota was 854,663. Among all South Dakota counties, Minnehaha had the highest population (183,563), followed by Pennington (108,212), and Lincoln (52,997). Jones was the least populated county (917).

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 2015
South Dakota Population By County in 2015
County
Population
% of State Population
Minnehaha 183,563 21.48
Pennington 108,212 12.66
Lincoln 52,997 6.20
Brown 38,434 4.50
Brookings 33,861 3.96
Codington 27,907 3.27
Meade 26,794 3.14
Lawrence 24,862 2.91
Yankton 22,702 2.66
Davison 19,922 2.33
Beadle 18,146 2.12
Hughes 17,579 2.06
Union 14,934 1.75
Oglala Lakota 14,364 1.68
Clay 13,798 1.61
Lake 12,350 1.45
Butte 10,219 1.20
Roberts 10,210 1.20
Todd 10,050 1.18
Charles Mix 9,359 1.10
Custer 8,456 0.99
Turner 8,133 0.95
Hutchinson 7,270 0.85
Grant 7,221 0.85
Bon Homme 6,942 0.81
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