- Lead
- 777
- Total
- 10,701
- vs nation
- R+11.7
South Dakota 7th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 923
- Total
- 9,104
- vs nation
- R+12.2
- Lead
- 188
- Total
- 8,889
- vs nation
- R+1.7
- Lead
- 1,051
- Total
- 10,023
- vs nation
- D+3.2
- Lead
- 1,082
- Total
- 9,609
- vs nation
- R+8.8
- Lead
- 815
- Total
- 7,806
- vs nation
- R+11.0
- Lead
- 404
- Total
- 8,181
- vs nation
- R+3.6
- Lead
- 283
- Total
- 8,609
- vs nation
- R+2.3
Key facts
- 2024 presidential margin
- —MIT Election Lab
- Population
- 26,5112024 5-year
- Population density
- 247 / sq mi2024 5-year · TIGER/Line
- Land area
- 107 sq miTIGER/Line
- Median household income
- $66,2302024 5-year
- White (non-Hispanic)
- 85.6%2024 5-year
- Black
- 2.1%2024 5-year
- Hispanic / Latino
- 4.1%2024 5-year
- Peak Democratic margin
- D+34.5 in 1912MIT Election Lab
- Peak Republican margin
- R+59.7 in 1904MIT Election Lab
- Most similar
- State Senate District 42, ND · twin score 92.8
presidential history
Party record book
South Dakota 7th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2020 · 19 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
54.1%
5,424 votes · D+10.5 · modeled estimate
Runner-up · William J. Bryan, 1896 · 52.2%
Republican
Theodore Roosevelt1904
74.2%
1,530 votes · R+59.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 67.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
5,424votes
54.1% of the vote · D+10.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 4,784 votes
Republican
Donald Trump2020
5,561votes
52.0% of the vote · R+7.3 · modeled estimate
Runner-up · George W. Bush, 2004 · 5,243 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
+14.9pts D vs U.S.
Place D+34.5 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · William J. Bryan, 1896 · +12.2 pts
Republican
Benjamin Harrison1892
+41.6pts R vs U.S.
Place R+40.0 · U.S. D+1.7 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +40.1 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 |
|---|---|---|---|---|
| 2020 | R | 0.0%0 | 100.0%6,824 | 6,824 |
| 2018 | R | 42.4%3,537 | 57.6%4,813 | 8,350 |
With a 2024 presidential margin of R+26.4 across a sparsely populated 26,511 residents, this district reflects the heavily Republican voting patterns typical of rural western South Dakota, where agriculture and extractive industries shape both the economy and the electorate.
Across the recorded series it reached a Democratic high of 34.5 points in 1912 and a Republican high of 59.7 points in 1904. The 2024 margin was 7.3 points.
A population of 26,511, a 86% non-Hispanic-white share, and a median household income of $66,230 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 42 and State Senate District 12.
The state-senate 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 7th State Senate District. Akashic. https://akashic.app/sld-upper/46007/. Accessed May 20, 2026. License: CC BY 4.0.