South Dakota Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for South Dakota was 826,710 and represented 98.05% of the total South Dakota population.

Among all South Dakota counties, Minnehaha had the highest citizen population (172.06K), followed by Pennington (104.96K), and Lincoln (49.41K).

In terms of percentages, Bennett had the highest percentage of its population being citizens (100.00%), followed by Buffalo (100.00%), and Faulk (100.00%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

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South Dakota Citizen Population By County in 2015
South Dakota Citizen Population By County in 2015
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County Citizen Population % of County Population
Minnehaha 172060 96.16
Pennington 104960 98.94
Lincoln 49410 99.07
Brown 37140 97.58
Brookings 31720 95.99
Codington 27615 99.51
Meade 26195 99.30
Lawrence 24215 98.26
Yankton 22445 99.16
Davison 19465 98.38
Hughes 17315 99.14
Beadle 16400 90.26
Union 14750 99.39
Oglala Lakota 14125 99.79
Clay 13620 97.22
Lake 11970 99.05
Roberts 10265 99.47
Butte 10250 99.61
Todd 9920 99.80
Charles Mix 9235 99.95
Custer 8325 99.17
Turner 8255 99.46
Hutchinson 7150 98.96
Grant 7080 97.99
Bon Homme 6960 99.22
Fall River 6870 99.49
Spink 6505 99.01
Moody 6265 97.28
Hamlin 5890 98.50
Day 5585 99.38
Dewey 5575 99.91
McCook 5560 99.02
Tripp 5490 99.73
Brule 5315 99.72
Walworth 5280 96.09
Kingsbury 5075 99.41
Marshall 4520 96.17
Deuel 4275 98.50
Gregory 4225 100.00
Corson 4135 99.64
Edmunds 3995 99.38
Lyman 3835 100.00
Clark 3535 97.52
Bennett 3440 100.00
Hanson 3385 100.00
Hand 3370 99.85
Jackson 3195 98.76
Perkins 2975 99.83
Stanley 2960 100.00
Douglas 2945 98.99
Ziebach 2825 99.65
Aurora 2635 96.52
Faulk 2360 100.00
Sanborn 2320 99.15
Potter 2295 99.57
Miner 2280 98.92
McPherson 2265 100.00
Haakon 2085 100.00
Mellette 2080 99.76
Buffalo 2040 100.00
Jerauld 1995 98.28
Campbell 1540 99.36
Sully 1455 98.98
Hyde 1410 99.65
Harding 1320 99.25
Jones 780 100.00