South Dakota At-Large Congressional District

Voters

Registered Voters: 669,571
Active Voters: 617,131 (92.2%)

Party Registration

Party	Voters	Share
Democratic	152,367	22.8%
Republican	337,111	50.3%
Unaffiliated	76,981	11.5%
Other parties	103,013	15.4%
No party recorded	99	0.0%

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2023–2024	427,006 (63.8%)	0 (0.0%)	0 (0.0%)
2021–2022	341,333 (51.0%)	0 (0.0%)	0 (0.0%)
2019–2020	398,727 (59.5%)	0 (0.0%)	0 (0.0%)
2017–2018	307,629 (45.9%)	0 (0.0%)	0 (0.0%)
2015–2016	320,672 (47.9%)	0 (0.0%)	0 (0.0%)
2013–2014	225,213 (33.6%)	0 (0.0%)	0 (0.0%)
2011–2012	279,187 (41.7%)	0 (0.0%)	0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

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Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population: 886,933
Citizen Voting Age Population (CVAP): 669,728

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	852,278	96.1%
Hispanic	34,652	3.9%
White	729,817	82.3%
Black	16,310	1.8%
Asian	8,523	1.0%
American Indian / Alaska Native	64,783	7.3%
Native Hawaiian / Pacific Islander	317	0.0%
Two or More Races	2,484	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	651,652	97.3%
Hispanic	18,081	2.7%
White	575,918	86.0%
Black	13,136	2.0%
Asian	8,932	1.3%
American Indian / Alaska Native	52,596	7.9%
Native Hawaiian / Pacific Islander	245	0.0%
Two or More Races	1,221	0.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.