South Dakota Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age 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 Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population for South Dakota was 17,595 and represented 2.83% of the total South Dakota citizen voting-age population.

Among all South Dakota counties, Oglala Lakota had the highest Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population (8.11K), followed by Pennington (5.02K), and Todd (4.20K).

In terms of percentages, Oglala Lakota had the highest percentage of its citizen voting-age population being Non-Hispanic American Indian & Alaska Native Alone (91.07%), followed by Buffalo (76.36%), and Todd (71.01%).

The chart and table below shows the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic American Indian & Alaska Native Alone.

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

You can also see similar information for other ethnicities.

See this for other years:
South Dakota Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2015
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Oglala Lakota 8110 91.07
Pennington 5020 6.32
Todd 4200 71.01
Minnehaha 2895 2.25
Dewey 2575 70.65
Roberts 2180 29.68
Corson 1665 61.55
Charles Mix 1615 24.81
Ziebach 1235 68.80
Hughes 1135 8.62
Bennett 1015 45.01
Buffalo 985 76.36
Jackson 930 42.76
Lyman 880 32.18
Brown 745 2.63
Mellette 670 48.55
Lawrence 585 2.97
Moody 525 11.28
Tripp 520 12.24
Codington 415 1.99
Yankton 385 2.19
Davison 375 2.51
Day 325 7.44
Walworth 325 7.87
Brule 320 8.11
Bon Homme 295 5.26
Clay 295 2.62
Fall River 295 5.25
Meade 295 1.49
Marshall 275 7.86
Custer 190 2.77
Beadle 185 1.52
Brookings 185 0.73
Gregory 185 5.68
Stanley 160 7.13
Lincoln 145 0.42
McPherson 125 6.63
Butte 105 1.37
Grant 85 1.54
Haakon 80 5.03
Hyde 70 6.48
Hutchinson 65 1.19
Union 65 0.59
Douglas 60 2.61
Edmunds 55 1.82
Hanson 55 2.41
Spink 55 1.12
McCook 45 1.10
Potter 45 2.46
Faulk 40 2.15
Turner 35 0.56
Perkins 30 1.27
Campbell 25 2.15
Clark 25 0.93
Hamlin 25 0.62
Jones 25 3.76
Aurora 15 0.77
Lake 15 0.16
Sanborn 10 0.53
Deuel 4 0.12
Hand 4 0.15
Harding 4 0.41
Jerauld 4 0.27
Kingsbury 4 0.10
Miner 4 0.24
Sully 4 0.36