Aurora County, South Dakota
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 | — | — | Even |
| VTD-precinct 22 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct 33 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct 44 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct 55 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct 66 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct 77 | 0 | 0 | 0 | 0 | — | — | Even |
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% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 14.0%170 | 80.6%978 | 1,214 |
| 2020 | R | 28.7%403 | 71.3%1,002 | 1,405 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 22 points more Democratic.
1,800 registered voters · 2026
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
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.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Aurora County, South Dakota. Akashic. https://akashic.app/county/46003/. Accessed May 20, 2026. License: CC BY 4.0.