HarrisDemocratic29.1%4,161TrumpRepublican68.9%9,837OtherAll other candidates2.0%284
R+39.7- Lead
- 5,676
- Total
- 14,282
- vs nation
- R+38.3
modeled Census-place estimatemodeled estimate
Akashicstate house district
South Dakota 25th State House District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic31.8%4,408TrumpRepublican65.8%9,120OtherAll other candidates2.4%337
R+34.0- Lead
- 4,712
- Total
- 13,865
- vs nation
- R+38.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic30.4%3,593TrumpRepublican63.4%7,486OtherAll other candidates6.2%727
R+33.0- Lead
- 3,893
- Total
- 11,806
- vs nation
- R+35.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic36.7%4,215RomneyRepublican62.1%7,132OtherAll other candidates1.3%146
R+25.4- Lead
- 2,917
- Total
- 11,493
- vs nation
- R+29.2
modeled Census-place estimatemodeled estimate
ObamaDemocratic41.0%4,939McCainRepublican57.7%6,954OtherAll other candidates1.3%160
R+16.7- Lead
- 2,015
- Total
- 12,053
- vs nation
- R+24.0
modeled Census-place estimatemodeled estimate
KerryDemocratic35.0%4,217BushRepublican64.3%7,738OtherAll other candidates0.7%85
R+29.2- Lead
- 3,521
- Total
- 12,040
- vs nation
- R+26.8
modeled Census-place estimatemodeled estimate
GoreDemocratic37.5%3,644BushRepublican61.6%5,985OtherAll other candidates0.9%86
R+24.1- Lead
- 2,341
- Total
- 9,715
- vs nation
- R+24.6
modeled Census-place estimatemodeled estimate
ClintonDemocratic41.4%3,961DoleRepublican50.2%4,803OtherAll other candidates8.4%802
R+8.8- Lead
- 842
- Total
- 9,566
- vs nation
- R+17.3
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+39.7MIT Election Lab
- Population
- 25,8642024 5-year
- Population density
- 24 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,090 sq miTIGER/Line
- Median household income
- $95,1312024 5-year
- White (non-Hispanic)
- 88.2%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 2.9%2024 5-year
- Peak Democratic margin
- D+32.9 in 1912MIT Election Lab
- Peak Republican margin
- R+66.0 in 1904MIT Election Lab
- Most similar
- State House District 14, SD · twin score 99.1
presidential history
Party record book
South Dakota 25th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 20 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
52.1%
1,121 votes · D+4.6 · modeled estimate
Runner-up · Michael Dukakis, 1988 · 46.4%
Republican
Theodore Roosevelt1904
78.7%
2,025 votes · R+66.0 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 70.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
4,939votes
41.0% of the vote · R+16.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 4,408 votes
Republican
Donald Trump2024
9,837votes
68.9% of the vote · R+39.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 9,120 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
+13.3pts D vs U.S.
Place D+32.9 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · William J. Bryan, 1896 · +10.7 pts
Republican
Benjamin Harrison1892
+50.8pts R vs U.S.
Place R+49.1 · U.S. D+1.7 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +46.3 pts
current representation
Current officeholders
RLes HeinemannState House · 25
RJon HansenState House · 25
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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 | 33.5%4,885 | 66.5%9,680 | 14,565 |
| 2020 | R | 0.0%0 | 100.0%8,691 | 8,691 |
South Dakota 25th State House District sits in the Northern Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 32.9 points in 1912 and a Republican high of 66.0 points in 1904. Between 2020 and 2024 the district moved 5.8 points toward the Republican candidate; the 2024 margin was 39.7 points.
A population of 25,864, a 88% non-Hispanic-white share, and a median household income of $95,131 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 14 and State House District 11.
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State House District 14
South Dakota
99.1twin score
elasticity% unaffiliatedNorwegian ancestry
State House District 11
South Dakota
98.0twin score
elasticity% unaffiliatedNorwegian ancestry
State House District 2
South Dakota
97.6twin score
elasticity% unaffiliatedNorwegian ancestry
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
South Dakota 25th State House District. Akashic. https://akashic.app/sld-lower/46025/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
South Dakota at the ballot boxAll elections →
Places within South Dakota 25th State House District
counties it covers2
Frequently asked questions
How did South Dakota 25th State House District vote in 2024?
In 2024, South Dakota 25th State House District voted Republican by 39.7 points (R+39.7), carried by the Republican candidate. Out of 14,282 votes cast, 4,161 went Democratic and 9,837 went Republican.
When did South Dakota 25th State House District last vote Democratic?
The most recent presidential election in which South Dakota 25th State House District voted Democratic was 1964.
How many people live in South Dakota 25th State House District?
South Dakota 25th State House District has a population of 25,864 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in South Dakota 25th State House District?
Median household income in South Dakota 25th State House District is $95,131 — above the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of South Dakota 25th State House District?
Akashic tracks 38 presidential elections in South Dakota 25th State House District from 1876 to 2024. Of those, 3 went Democratic and 30 went Republican.