South Dakota's Democracy Profile

Quick Facts About South Dakota

Total Eligible Voting Population in 2025
681,957
United States Election Project
Turnout by % of Eligible Voters in 2024
64%
United States Election Project
Number of House Seats in 2026
1
2024 Presidential Vote %

South Dakota's Democracy Score

Overall Score

8/36.5

Low

Who Votes -0.5/11

Voter Registration

-1/5

Negative
Representation & Participation

0.5/6

Low

How to Vote 3/12

Voting in Person

3/6

Medium
Voting by Mail

0/6

Low

Protecting the Vote 5.5/13.5

Election Security

4/7

Medium
Independence & Integrity

1.5/6.5

Low

South Dakota's Democracy and Election Laws and Policies

Click on each issue for more information and to see where the state fits into the national landscape.

key

Who votes

Voter Registration Score
Law Exists? Score
Automatic Voter Registration 0/1
Negative Law: Voter Roll Purges Based Soley on Infrequent Voting Negative Law -1/-1
Negative Law: State has a proof of citizenship requirement for registration No Negative Law 0/-1
Online Voter Registration 0/1
Registration Deadlines 0.5/1
Membership in Electronic Registration Information Center (ERIC) 0/1
Negative Law: Restrictions on Voter Registration Drives Negative Law -0.5/-1
Voter Preregistration 0/1
Voter Registration Total -1/5

How to Vote

Protecting the Vote

South Dakota's Democracy Score

Overall Score

8/36.5

Low

Who Votes -0.5/11

Voter Registration

-1/5

Negative
Representation & Participation

0.5/6

Low

How to Vote 3/12

Voting in Person

3/6

Medium
Voting by Mail

0/6

Low

Protecting the Vote 5.5/13.5

Election Security

4/7

Medium
Independence & Integrity

1.5/6.5

Low