akashic
1876–2024
State Senate District 4·South Dakota

South Dakota 4th State Senate District has voted Republican in six straight presidential cycles.

One of South Dakota's most reliably Republican legislative districts

1876 — 2024·38 elections
SD
Latest
R+46
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
46,442
2024 ACS

South Dakota 4th State Senate District, South Dakota: Republican loyalist district. In 2024, voted R+46%. Republican peak: R+57 in 1904.

Key facts

2024 presidential margin
R+46MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
46,4422024 5-year
Median household income
$75,5832024 5-year
White (non-Hispanic)
89.7%2024 5-year
Black
0.7%2024 5-year
Hispanic / Latino
4.4%2024 5-year
Peak Democratic margin
D+37 in 1912MIT Election Lab
Peak Republican margin
R+57 in 1904MIT Election Lab
2024 results by constituent county
6 counties · 0 D · 6 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−45.7%
5,79515,96222,264
R
−42.4%
6,09015,43922,046
R
−40.8%
5,25613,35319,842
R
−17.7%
8,05011,60220,095
R
−6.9%
9,55111,01121,039
R
−21.9%
8,65213,59922,572
D
+22.2%
11,7727,41419,653
R
−1.7%
8,6799,02120,141
R
−2.5%
6,9257,43020,276
R
−3.5%
9,53410,22419,930
R
−26.3%
7,51312,90220,502
R
−27.9%
7,06213,11621,676
D
+4.1%
10,6889,83420,595
R
−3.6%
10,22010,98621,267
R
−5.4%
9,09410,17920,156
D
+13.7%
12,0819,17521,256
R
−15.5%
9,70113,25222,953
R
−14.4%
9,61012,84422,454
R
−37.0%
7,07515,38622,462
D
+2.4%
9,8389,36719,418
R
−16.4%
7,73910,78018,519
R
−18.6%
9,49713,83323,330
D
+6.3%
10,9639,61121,341
D
+27.6%
13,3257,49221,163
R
−20.1%
8,00412,09020,291
R
−39.1%
1,3856,93214,197
R
−47.5%
1,9828,74814,235
D
+13.3%
5,5274,18110,116
O
+37.0%
3,12408,444
R
−33.7%
2,7565,8409,150
R
−57.3%
1,6986,9809,216
R
−23.9%
3,2925,4388,992
R
−6.5%
3,5804,0837,751
R
−31.8%
9752,9886,330
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
38.3%
Irish
7.6%
English
5.6%
American
4.2%
Polish
2.0%
French
1.6%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 39.9 in this county, 39.1 nationally
Male
Age
Female
0.9%
85+
1.8%
2.6%
75–84
3.2%
5.9%
65–74
5.6%
6.7%
55–64
6.4%
5.6%
45–54
5.0%
6.2%
35–44
5.5%
5.7%
25–34
5.4%
4.7%
18–24
3.6%
9.6%
5–17
9.0%
3.1%
<5
3.1%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$75,583
State Senate District 4 ranks near the middle of US counties.
State Senate District 4$75,583
South Dakota$75,081
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.4%
Child poverty is below the national average.
Children under 188.4%
Working age (18–64)9.3%
Seniors (65+)12.6%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
94.8%
speak English only
Spanish3.0%
Other Indo-European1.7%
Asian & Pacific Islander0.3%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Mainline Protestant
31.8%
Catholic & Orthodox
17.3%
Other Christian
5.6%
Methodist
4.9%
Pentecostal & Holiness
1.5%
Baptist
0.5%
Source · 2020 US Religion Census. Remaining 38.5% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin exceeding 52 points, District 4 sits among the state's most one-sided constituencies, reflecting the rural western South Dakota landscape where Republican candidates routinely run unopposed or face minimal competition.

The Republican margin in South Dakota 4th State Senate District reached its widest at fifty-seven points in 1904. The margin in 2024 was forty-six points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $75,583, a 90% non-Hispanic-white share, and a population of 46,442 together describe a district whose political habits are deeply settled.

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.
State Senate District 4, South Dakota. Akashic. https://akashic.app/sld-upper/46004/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 4, South Dakota vote in 2024?
In 2024, State Senate District 4, South Dakota voted Republican by 45.7 points (R+46), carried by the Republican candidate. Out of 22,264 votes cast, 5,795 went Democratic and 15,962 went Republican.
What is State Senate District 4, South Dakota's political archetype?
Akashic classifies State Senate District 4, South Dakota as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 7 times, Republican 26 times, and other 1 times.
When did State Senate District 4, South Dakota last vote Democratic?
The most recent presidential election in which State Senate District 4, South Dakota voted Democratic was 2000.
How many people live in State Senate District 4, South Dakota?
State Senate District 4, South Dakota has a population of 46,442 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 4, South Dakota?
Median household income in State Senate District 4, South Dakota is $75,583 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of State Senate District 4, South Dakota?
Akashic tracks 38 presidential elections in State Senate District 4, South Dakota from 1876 to 2024. Of those, 7 went Democratic and 26 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.