Akashic
1892–2024
Akashic
South Dakota 28th State Senate District
presidential margin
2008R+12.22012R+26.12016R+42.12020R+37.22024R+42.7
full record · 1892 → 2024
R+42.7
2024
median income$64,910U.S. $80,734 · SD $75,081
median age36.4U.S. 39.1 · SD 38.2
poverty rate21.4%U.S. 12.5% · SD 12.0%
bachelor’s+ (25+)20.2%U.S. 35.6% · SD 31.9%
non-english6.1%U.S. 22.3% · SD 7.1%
race · ethnicity · ancestry
German20.9%
Irish8.6%
Norwegian8.3%
Oglala Sioux0.6%
Rosebud Sioux0.5%
Mexican1.2%
Puerto Rican0.4%
Spanish0.4%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Corson County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

South Dakota 28th State Senate District

Akashic
South Dakota 28th State Senate DistrictTrumpR+42.7
2024
2024 presidential margin for South Dakota 28th State Senate DistrictThe boundary of South Dakota 28th State Senate District, filled by its 2024 presidential margin (R+42.7), over faint outlines of the counties it is drawn from.South Dakota 28th State Senate District · R+42.7
How it voted
Share of the 2024 vote
Donald Trump ✓Republican70.3%7,931
Kamala HarrisDemocratic27.6%3,111
Robert F. Kennedy Jr.Other2.2%245
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 6 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (6 counties) — table
2024 presidential result by county for South Dakota 28th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Butte County, SDRepublicanR+60.6
Corson County, SDRepublicanR+11.9
Dewey County, SDDemocraticD+12.8
Harding County, SDRepublicanR+86.1
Perkins County, SDRepublicanR+70.0
Ziebach County, SDRepublicanR+2.8
38 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). † 2012 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
YearWonDemocraticRepublicanOtherMarginTotal
R
27.6%Harris3,111
70.3%Trump7,931
2.2%Kennedy245
−42.7%
11,287
R
30.3%Biden3,461
67.5%Trump7,720
2.2%Jorgensen257
−37.2%
11,438
R
26.0%Clinton2,698
68.1%Trump7,063
5.9%Johnson615
−42.1%
10,376
R
35.6%Obama3,697
61.7%Romney6,407
2.8%Johnson288
−26.1%
10,392
R
42.4%Obama4,659
54.6%McCain6,003
3.0%Nader329
−12.2%
10,991
R
38.5%Kerry4,740
59.2%Bush7,286
2.2%Nader276
−20.7%
12,302
R
30.4%Gore2,944
66.3%Bush6,420
3.2%Buchanan314
−35.9%
9,678
R
37.5%Clinton3,879
48.6%Dole5,031
13.8%Browne1,432
−11.1%
10,342
R
30.7%Clinton3,168
43.8%Bush4,514
25.4%Perot2,622
−13.1%
10,304
R
42.2%Dukakis4,522
56.8%Bush6,086
1.0%Paul102
−14.6%
10,710
R
32.0%Mondale3,607
67.5%Reagan7,598
0.5%Serrette56
−35.4%
11,261
R
25.2%Carter3,011
69.5%Reagan8,308
5.3%Anderson633
−44.3%
11,952
R
46.1%Carter5,129
52.6%Ford5,857
1.3%Macbride140
−6.5%
11,126
R
35.4%McGovern4,004
64.1%Nixon7,248
0.5%Schmitz53
−28.7%
11,305
R
35.7%Humphrey4,044
58.7%Nixon6,649
5.6%Wallace633
−23.0%
11,326
D
52.0%Johnson6,745
48.0%Goldwater6,236
0.0%Hass1
+3.9%
12,982
R
40.9%Kennedy5,512
59.1%Nixon7,964
0.0%Byrd1
−18.2%
13,477
R
39.4%Stevenson5,090
60.6%Eisenhower7,841
0.0%Andrews1
−21.3%
12,932
R
28.6%Stevenson3,806
71.4%Eisenhower9,500
0.0%
−42.8%
13,306
R
44.2%Truman5,029
54.1%Dewey6,160
1.7%Thurmond197
−9.9%
11,386
R
40.6%Roosevelt4,071
59.4%Dewey5,952
0.0%
−18.8%
10,023
R
43.2%Roosevelt6,470
56.8%Willkie8,491
0.0%
−13.5%
14,961
D
53.9%Roosevelt8,011
43.3%Landon6,437
2.7%Lemke403
+10.6%
14,851
D
59.6%Roosevelt9,243
37.0%Hoover5,742
3.4%Thomas533
+22.6%
15,518
R
35.9%Smith5,209
63.3%Hoover9,180
0.8%Thomas118
−27.4%
14,507
R
10.6%Davis1,176
56.8%Coolidge6,300
32.7%La Follette3,625
−46.2%
11,101
R
20.9%Cox2,298
59.3%Harding6,530
19.8%Debs2,177
−38.5%
11,005
D
50.9%Wilson3,697
42.4%Hughes3,077
6.7%Benson490
+8.5%
7,264
O
40.0%Wilson2,973
0.0%Taft0
60.0%Roosevelt4,460
Roosevelt +20.0
7,433
R
33.7%Bryan915
60.2%Taft1,636
6.1%Debs166
−26.5%
2,717
R
28.0%Parker330
67.3%Roosevelt793
4.7%Debs55
−39.3%
1,178
R
45.4%Bryan420
53.2%McKinley492
1.4%Woolley13
−7.8%
925
D
56.1%Bryan286
43.5%McKinley222
0.4%Palmer2
+12.5%
510
O
7.3%Cleveland28
40.1%Harrison154
52.6%Weaver202
Weaver +12.5
384
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −42.7% in 2024.flipped R · 1968−42.7%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−32.8%
1896+12.5%
1900−7.8%
1904−39.3%
1908−26.5%
1912+40.0%
1916+8.5%
1920−38.5%
1924−46.2%
1928−27.4%
1932+22.6%
1936+10.6%
1940−13.5%
1944−18.8%
1948−9.9%
1952−42.8%
1956−21.3%
1960−18.2%
1964+3.9%
1968−23.0%
1972−28.7%
1976−6.5%
1980−44.3%
1984−35.4%
1988−14.6%
1992−13.1%
1996−11.1%
2000−35.9%
2004−20.7%
2008−12.2%
2012−26.1%
2016−42.1%
2020−37.2%
2024−42.7%
DemocraticRepublican
current representation
Current officeholders
RSam MartyState Senate · 28

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin of R+42.7 across a sparse rural population of roughly 26,000, this district's electoral outcomes have been among the most predictable in the state legislature.

Across the recorded series it reached a Democratic high of 40.0 points in 1912 and a Republican high of 46.2 points in 1924. Between 2020 and 2024 the district moved 5.5 points toward the Republican candidate; the 2024 margin was 42.7 points.

A population of 25,943, a 59% non-Hispanic-white share, and a median household income of $64,910 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 2 and State Senate District 1.

Political twins — state-senate districts

The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State Senate District 2
North Dakota
87.9twin score
2016–2024 trajectory12-yr trendpopulation scale≠ elasticity
State Senate District 1
North Dakota
86.7twin score
2016–2024 trajectory12-yr trend≠ median age
State Senate District 15
Montana
86.3twin score
2016–2024 trajectory12-yr trend≠ % White

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.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
South Dakota 28th State Senate District. Akashic. https://akashic.app/sld-upper/46028/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
South Dakota at the ballot boxAll elections →
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Places within South Dakota 28th State Senate District

counties it covers6
Butte CountyCorson CountyDewey CountyHarding CountyPerkins CountyZiebach County

Frequently asked questions

How did South Dakota 28th State Senate District vote in 2024?
In 2024, South Dakota 28th State Senate District voted Republican by 42.7 points (R+42.7), carried by the Republican candidate. Out of 11,287 votes cast, 3,111 went Democratic and 7,931 went Republican.
When did South Dakota 28th State Senate District last vote Democratic?
The most recent presidential election in which South Dakota 28th State Senate District voted Democratic was 1964.
How many people live in South Dakota 28th State Senate District?
South Dakota 28th State Senate District has a population of 25,943 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in South Dakota 28th State Senate District?
Median household income in South Dakota 28th State Senate District is $64,910 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of South Dakota 28th State Senate District?
Akashic tracks 38 presidential elections in South Dakota 28th State Senate District from 1876 to 2024. Of those, 5 went Democratic and 27 went Republican.