HarrisDemocratic21.7%302TrumpRepublican75.8%1,056KennedyIndependent2.2%30
R+54.1- Lead
- 754
- Total
- 1,393
- vs nation
- R+52.7
- Turnout
- 74.8%
Akashiccounty
Aurora County, SD
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 74.8% of 1,893 citizens 18+
BidenDemocratic22.6%317TrumpRepublican74.9%1,052JorgensenLibertarian2.6%36
R+52.3- Lead
- 735
- Total
- 1,405
- vs nation
- R+56.8
- Turnout
- 74.6%
ClintonDemocratic24.2%340TrumpRepublican69.2%974JohnsonLibertarian5.3%74
R+45.1- Lead
- 634
- Total
- 1,407
- vs nation
- R+47.2
- Turnout
- 75.2%
ObamaDemocratic39.7%556RomneyRepublican57.4%804OtherAll other candidates2.9%40
R+17.7- Lead
- 248
- Total
- 1,400
- vs nation
- R+21.6
- Turnout
- —
ObamaDemocratic43.8%655McCainRepublican53.1%794OtherAll other candidates3.1%46
R+9.3- Lead
- 139
- Total
- 1,495
- vs nation
- R+16.6
- Turnout
- —
KerryDemocratic37.6%620BushRepublican61.2%1,009OtherAll other candidates1.2%20
R+23.6- Lead
- 389
- Total
- 1,649
- vs nation
- R+21.1
- Turnout
- —
GoreDemocratic36.3%513BushRepublican59.9%847OtherAll other candidates3.8%53
R+23.6- Lead
- 334
- Total
- 1,413
- vs nation
- R+24.2
- Turnout
- —
ClintonDemocratic44.1%664DoleRepublican47.0%709PerotReform7.9%119
R+3.0- Lead
- 45
- Total
- 1,507
- vs nation
- R+11.5
- Turnout
- —
Key facts
- 2024 presidential margin
- R+54.1MIT Election Lab
- Population
- 2,6422024 5-year
- Median household income
- $72,8852024 5-year
- White (non-Hispanic)
- 86.3%2024 5-year
- Black
- 0.6%2024 5-year
- Hispanic / Latino
- 7.0%2024 5-year
- Peak Democratic margin
- D+51.2 in 1912MIT Election Lab
- Peak Republican margin
- R+54.1 in 2024MIT Election Lab
- Most similar
- Bon Homme County, SD · twin score 88.0
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 74.8%1,416 participants ÷ 1,893 CVAP
- 2020→2022 drop-off
- +5.4 ptsHigh-turnout, durable
- Drop-off versus state
- -6.9 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 68.4%–69.4%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 1,448 | 1,926 | 75.2% | A/A |
| 2018 · Midterm | 1,284 | 1,896 | 67.7% | A/A |
| 2020 · Presidential | 1,424 | 1,909 | 74.6% | A/A |
| 2022 · Midterm | 1,280 | 1,849 | 69.2% | C/A |
| 2024 · Presidential | 1,416 | 1,893 | 74.8% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 154/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
12 precincts · 1,393 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -33 | 103 | 300 | 17 | 420 | 24.5% | 71.4% | R+46.9 |
|---|---|---|---|---|---|---|---|
| Precinct -77 | 75 | 244 | 8 | 327 | 22.9% | 74.6% | R+51.7 |
| Precinct -11 | 56 | 229 | 6 | 291 | 19.2% | 78.7% | R+59.5 |
| Precinct -55 | 47 | 157 | 2 | 206 | 22.8% | 76.2% | R+53.4 |
| Precinct -22 | 21 | 126 | 2 | 149 | 14.1% | 84.6% | R+70.5 |
| VTD-precinct 11 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 22 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 33 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 44 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 55 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 66 | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct 77 | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −25.9% |
| 1896 | +10.5% |
| 1900 | −1.7% |
| 1904 | −22.1% |
| 1908 | +0.6% |
| 1912 | +51.2% |
| 1916 | +3.6% |
| 1920 | −27.4% |
| 1924 | −11.3% |
| 1928 | −4.2% |
| 1932 | +44.9% |
| 1936 | +24.3% |
| 1940 | −0.8% |
| 1944 | −7.0% |
| 1948 | +9.3% |
| 1952 | −18.8% |
| 1956 | +13.1% |
| 1960 | +0.1% |
| 1964 | +28.2% |
| 1968 | +0.8% |
| 1972 | +7.8% |
| 1976 | +20.8% |
| 1980 | −25.5% |
| 1984 | −10.0% |
| 1988 | +7.1% |
| 1992 | +5.0% |
| 1996 | −3.0% |
| 2000 | −23.6% |
| 2004 | −23.6% |
| 2008 | −9.3% |
| 2012 | −17.7% |
| 2016 | −45.1% |
| 2020 | −52.3% |
| 2024 | −54.1% |
DemocraticRepublican
Federal and statewide elections · 2 House · 37 Senate · 12 governor
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 16.5%273 | 83.5%1,385 | 1,658 |
| 2020 | R | 0.0%0 | 100.0%1,224 | 1,224 |
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+32.1
Presidential vote · 2024R+54.1
Registration leans Republican; the presidential vote runs 22 points more Democratic.
1,800 registered voters · 2026
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−6 net domestic migration · 2025
20112025
Net −112 over 2011–2025 · gain loss
Arrivals reported $55,773 in average income, against $66,070 for residents who stayed — 16% lower. (IRS SOI, 2022–23)
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | +5 |
| 2012 | +36 |
| 2013 | −47 |
| 2014 | +22 |
| 2015 | −32 |
| 2016 | −17 |
| 2017 | −36 |
| 2018 | +6 |
| 2019 | −52 |
| 2021 | +2 |
| 2022 | +21 |
| 2023 | +17 |
| 2024 | −31 |
| 2025 | −6 |
Aurora's roughly 3,000 residents are spread across a largely agricultural landscape where the 2024 presidential margin exceeded 54 points, placing it among the state's most uniformly partisan counties.
Across the recorded series it reached a Democratic high of 51.2 points in 1912 and a Republican high of 54.1 points in 2024. Between 2020 and 2024 the county moved 1.8 points toward the Republican candidate; the 2024 margin was 54.1 points.
A population of 2,642, a 86% non-Hispanic-white share, and a median household income of $72,885 describe the county. The county's voting pattern over the last decade is most similar to that of Bon Homme County and Hancock County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Bon Homme County
South Dakota
88.0twin score
12-yr trend2020–2024 trajectoryelasticity≠ % unaffiliated
Hancock County
Iowa
85.7twin score
12-yr trendelasticity% White≠ % Catholic
Jerauld County
South Dakota
85.3twin score
12-yr trendpopulation scale% unaffiliated≠ Irish 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.
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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.
Aurora County, South Dakota. Akashic. https://akashic.app/county/46003/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Aurora County, South Dakota vote in 2024?
In 2024, Aurora County, South Dakota voted Republican by 54.1 points (R+54.1), carried by the Republican candidate. Out of 1,393 votes cast, 302 went Democratic and 1,056 went Republican.
When did Aurora County, South Dakota last vote Democratic?
The most recent presidential election in which Aurora County, South Dakota voted Democratic was 1992.
How many people live in Aurora County, South Dakota?
Aurora County, South Dakota has a population of 2,642 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Aurora County, South Dakota?
Median household income in Aurora County, South Dakota is $72,885 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Aurora County, South Dakota?
Akashic tracks 38 presidential elections in Aurora County, South Dakota from 1876 to 2024. Of those, 15 went Democratic and 18 went Republican.