- Lead
- 456
- Total
- 4,517
- vs nation
- R+8.6
South Dakota State House District 28A
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 166
- Total
- 4,902
- vs nation
- R+7.8
- Lead
- 469
- Total
- 4,371
- vs nation
- R+12.8
- Lead
- 355
- Total
- 4,574
- vs nation
- D+3.9
- Lead
- 882
- Total
- 5,038
- vs nation
- D+10.2
- Lead
- 629
- Total
- 6,185
- vs nation
- D+12.6
- Lead
- 494
- Total
- 4,379
- vs nation
- R+11.8
- Lead
- 279
- Total
- 4,918
- vs nation
- R+2.8
Key facts
- 2024 presidential margin
- R+10.1MIT Election Lab
- Population
- 12,6872024 5-year
- Population density
- 1.5 / sq mi2024 5-year · TIGER/Line
- Land area
- 8,674 sq miTIGER/Line
- Median household income
- $56,9472024 5-year
- White (non-Hispanic)
- 25.9%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 1.3%2024 5-year
- Peak Democratic margin
- D+41.7 in 1912MIT Election Lab
- Peak Republican margin
- R+47.0 in 1924MIT Election Lab
- Most similar
- State House District 41, MT · twin score 79.3
presidential history
Party record book
South Dakota State House District 28A · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1912–2024 · 15 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
57.5%
2,897 votes · D+17.5 · modeled estimate
Runner-up · John Kerry, 2004 · 54.0%
Republican
Ronald Reagan1980
66.4%
3,709 votes · R+38.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 62.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
John Kerry2004
3,341votes
54.0% of the vote · D+10.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 2,897 votes
Republican
Ronald Reagan1980
3,709votes
66.4% of the vote · R+38.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 3,444 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Woodrow Wilson1912
+22.2pts D vs U.S.
Place D+41.7 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · John Kerry, 2004 · +12.6 pts
Republican
Ronald Reagan1980
+28.9pts R vs U.S.
Place R+38.7 · U.S. R+9.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · +16.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 41.2%2,169 | 58.8%3,097 | 5,266 |
| 2020 | R | 0.0%0 | 100.0%2,890 | 2,890 |
South Dakota House District 28A carries a population of roughly 12,700 and backed the 2024 Republican presidential nominee by just over 10 points, tracking closely with the state's broader rural voting pattern.
Across the recorded series it reached a Democratic high of 41.7 points in 1912 and a Republican high of 47.0 points in 1924. Between 2020 and 2024 the district moved 6.7 points toward the Republican candidate; the 2024 margin was 10.1 points.
A population of 12,687, a 26% non-Hispanic-white share, and a median household income of $56,947 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 41 and State House District 26A.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
South Dakota State House District 28A. Akashic. https://akashic.app/sld-lower/4628A/. Accessed May 20, 2026. License: CC BY 4.0.