- Lead
- 5,804
- Total
- 19,074
- vs nation
- R+29.0
Aberdeen, SD
President margin by year
Place winner margin
President results by year
Vote totals, margins, and source status
- Lead
- 5,163
- Total
- 19,532
- vs nation
- R+30.9
- Lead
- 5,214
- Total
- 18,032
- vs nation
- R+31.0
- Lead
- 1,713
- Total
- 18,004
- vs nation
- R+13.4
- Lead
- 580
- Total
- 19,502
- vs nation
- R+4.3
- Lead
- 3,112
- Total
- 20,833
- vs nation
- R+12.5
- Lead
- 2,468
- Total
- 18,542
- vs nation
- R+13.8
- Lead
- 1,030
- Total
- 18,757
- vs nation
- R+3.0
Key facts
- 2024 presidential margin
- R+30.4MIT Election Lab
- Population
- 41,9252024 5-year
- Population density
- 15 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,839 sq miTIGER/Line
- Median household income
- $71,9342024 5-year
- White (non-Hispanic)
- 85.6%2024 5-year
- Black
- 1.2%2024 5-year
- Hispanic / Latino
- 4.5%2024 5-year
- Peak Democratic margin
- D+50.3 in 1912MIT Election Lab
- Peak Republican margin
- R+45.1 in 1924MIT Election Lab
- Most similar
- Wahpeton, ND-MN · twin score 86.3
presidential history
Party record book
Aberdeen, SD · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
64.6%
11,257 votes · D+31.2
Runner-up · Franklin D. Roosevelt, 1936 · 62.7%
Republican
Theodore Roosevelt1904
66.2%
3,523 votes · R+41.0
Runner-up · Donald Trump, 2024 · 64.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
11,257votes
64.6% of the vote · D+31.2
Runner-up · Franklin D. Roosevelt, 1936 · 11,207 votes
Republican
Ronald Reagan1980
12,431votes
59.4% of the vote · R+26.3
Runner-up · Donald Trump, 2024 · 12,263 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Woodrow Wilson1912
+30.8pts D vs U.S.
Place D+50.3 · U.S. D+19.5
Runner-up · George McGovern, 1972 · +24.0 pts
Republican
Benjamin Harrison1892
+36.0pts R vs U.S.
Place R+34.4 · U.S. D+1.7
Runner-up · Donald Trump, 2016 · +31.0 pts
Senate and governor results are in the Office selector at the top of this page.
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 |
|---|---|---|---|---|
| 2020 | R | 0.0%0 | 100.0%15,447 | 15,447 |
| 2018 | R | 39.6%5,482 | 60.4%8,346 | 13,828 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 3.1 points more Democratic than the rolls.
26,487 registered voters · 2026
Who moves in and out
Net domestic migration over time
−141 net domestic migration · 2025
Net −1,134 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +48 |
| 2012 | +370 |
| 2013 | +423 |
| 2014 | −112 |
| 2015 | +4 |
| 2016 | +79 |
| 2017 | −6 |
| 2018 | −431 |
| 2019 | −506 |
| 2021 | −120 |
| 2022 | −251 |
| 2023 | −307 |
| 2024 | −184 |
| 2025 | −141 |
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.
Across the recorded series it reached a Democratic high of 50.3 points in 1912 and a Republican high of 45.1 points in 1924. Between 2020 and 2024 the metro moved 4.0 points toward the Republican candidate; the 2024 margin was 30.4 points.
A population of 41,925, a 86% non-Hispanic-white share, and a median household income of $71,934 describe the metro. The metro's voting pattern over the last decade is most similar to that of Wahpeton, ND-MN and Marshall, MN.
The metros 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.
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 →
Aberdeen, SD, South Dakota. Akashic. https://akashic.app/cbsa/10100/. Accessed May 20, 2026. License: CC BY 4.0.