Aberdeen, SD, South Dakota: Republican loyalist metro. In 2024, voted R+30%. Democratic peak: D+50 in 1912.
Key facts
- 2024 presidential margin
- R+30MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 41,9252024 5-year
- Median household income
- $71,9342024 5-year
- White (non-Hispanic)
- 86.3%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 4.5%2024 5-year
- Peak Democratic margin
- D+50 in 1912MIT Election Lab
- Peak Republican margin
- R+45 in 1924MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 6,459 | 12,263 | 19,074 | ||
| R | 6,955 | 12,118 | 19,532 | ||
| R | 5,832 | 11,046 | 18,032 | ||
| R | 7,872 | 9,585 | 18,004 | ||
| D | 9,860 | 9,280 | 19,502 | ||
| R | 8,708 | 11,820 | 20,833 | ||
| D | 10,317 | 7,849 | 18,542 | ||
| D | 8,886 | 7,856 | 18,757 | ||
| D | 8,415 | 7,609 | 20,307 | ||
| D | 9,932 | 9,864 | 19,901 | ||
| R | 7,859 | 12,094 | 20,035 | ||
| R | 6,933 | 12,431 | 20,913 | ||
| D | 10,517 | 8,903 | 19,565 | ||
| D | 9,862 | 9,701 | 19,667 | ||
| D | 8,527 | 8,219 | 17,487 | ||
| D | 10,815 | 6,966 | 17,781 | ||
| R | 9,502 | 9,765 | 19,267 | ||
| R | 8,764 | 9,878 | 18,642 | ||
| R | 7,153 | 11,759 | 18,912 | ||
| D | 8,401 | 7,125 | 15,737 | ||
| R | 7,313 | 7,373 | 14,686 | ||
| D | 9,491 | 8,939 | 18,430 | ||
| D | 11,207 | 6,323 | 17,881 | ||
| D | 11,257 | 5,822 | 17,437 | ||
| R | 6,662 | 9,009 | 15,877 | ||
| R | 638 | 3,783 | 6,977 | ||
| R | 1,647 | 7,067 | 12,333 | ||
| D | 3,553 | 3,310 | 7,496 | ||
| D | 3,217 | 0 | 6,392 | ||
| R | 2,430 | 3,372 | 6,179 | ||
| R | 1,341 | 3,523 | 5,320 | ||
| R | 2,275 | 2,818 | 5,232 | ||
| D | 2,377 | 1,989 | 4,394 | ||
| R | 435 | 1,832 | 4,063 | ||
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Demographics
Aberdeen anchors northeastern South Dakota as a trade and medical center, drawing a mix of farm-county conservatives and university-adjacent moderates that has kept Brown County competitive in statewide races decided elsewhere by wider margins.
The Republican margin in Aberdeen, SD reached its widest at forty-five points in 1924. The margin in 2024 was thirty points, in line with the metro's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $71,934, a 86% non-Hispanic-white share, and a population of 41,925 together describe a metro whose political habits are deeply settled.
Aberdeen, SD, South Dakota — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/10100/. Accessed May 20, 2026. License: CC BY 4.0.