† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupAberdeen, SDSouth DakotaUnited States
German44.2%33.1%12.5%
Norwegian10.7%10.4%—
English7.5%7.7%9.5%
Irish7.5%9.9%9.4%
American4.3%4.4%5.3%
Russian2.7%——
Swedish2.4%2.5%—
Dutch2.2%3.4%—
Mexican2.0%2.6%11.3%
Puerto Rican1.1%0.4%1.8%
Cuban0.5%—0.7%
Guatemalan0.5%0.5%0.5%
Dominican0.2%—0.7%
Turtle Mountain Chippewa0.2%——
Burmese1.4%0.2%—
Filipino0.5%0.2%0.9%
Chinese0.4%—1.3%
Vietnamese0.3%—0.6%
Korean0.2%—0.4%
African American†0.7%1.1%9.9%
South African0.2%——
Guyanese0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Aberdeen, SD
South Dakota
United States
Median age
38.4
38.2
39.1
Age 18–24
10.1%
9.2%
9.2%
Age 65 and older
18.2%
18.0%
17.2%
Household economy
Measure
Aberdeen, SD
South Dakota
United States
Median household income
$71,934
$75,081
$84,427
Poverty rate
11.5%
12.0%
12.5%
Bachelor's degree or higher (25+)
33.3%
31.9%
35.6%
Languages at home
Measure
Aberdeen, SD
South Dakota
United States
Speaks a non-English language at home
6.6%
7.1%
22.3%
Spanish
2.6%
2.6%
13.6%
German or other West Germanic
1.7%
0.8%
0.5%
Other Asian & Pacific Island
1.3%
0.4%
1.1%
Religious landscape
Measure
Aberdeen, SD
South Dakota
United States
Catholic
28.6%
14.8%
18.6%
Evangelical Protestant
20.6%
20.1%
16.5%
Unclaimed / not counted
25.7%
44.9%
51.5%
Mainline Protestant
23.4%
18.0%
5.2%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Aberdeen, SD
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−34.4%
1896
+8.8%
1900
−10.4%
1904
−41.0%
1908
−15.2%
1912
+50.3%
1916
−3.2%
1920
−43.9%
1924
−45.1%
1928
−14.8%
1932
+31.2%
1936
+27.3%
1940
+3.0%
1944
−0.4%
1948
+8.1%
1952
−24.4%
1956
−6.0%
1960
−1.4%
1964
+21.6%
1968
+1.8%
1972
+0.8%
1976
+8.2%
1980
−26.3%
1984
−21.1%
1988
+0.3%
1992
+4.0%
1996
+5.5%
2000
−13.3%
2004
−14.9%
2008
+3.0%
2012
−9.5%
2016
−28.9%
2020
−26.4%
2024
−30.4%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
33.9%Harris6,459
64.3%Trump12,263
1.8%
R+30.4
R+4.0
R+29.0
19,074
R
35.6%Biden6,955
62.0%Trump12,118
2.3%
R+26.4
D+2.5
R+30.9
19,532
R
32.3%Clinton5,832
61.3%Trump11,046
6.4%
R+28.9
R+19.4
R+31.0
18,032
R
43.7%Obama7,872
53.2%Romney9,585
3.0%
R+9.5
R+12.5
R+13.4
18,004
D
50.6%Obama9,860
47.6%McCain9,280
1.9%
D+3.0
D+17.9
R+4.3
19,502
R
41.8%Kerry8,708
56.7%Bush11,820
1.5%
R+14.9
R+1.6
R+12.5
20,833
R
42.3%Gore7,849
55.6%Bush10,317
2.0%
R+13.3
R+18.8
R+13.8
18,542
D
47.4%Clinton8,886
41.9%Dole7,856
10.7%
D+5.5
D+1.5
R+3.0
18,757
D
41.4%Clinton8,415
37.5%Bush7,609
21.1%
D+4.0
D+3.6
R+1.6
20,307
D
49.9%Dukakis9,932
49.6%Bush9,864
0.5%
D+0.3
D+21.5
D+8.1
19,901
R
39.2%Mondale7,859
60.4%Reagan12,094
0.4%
R+21.1
D+5.2
R+2.9
20,035
R
33.2%Carter6,933
59.4%Reagan12,431
7.4%
R+26.3
R+34.5
R+16.6
20,913
D
53.8%Carter10,517
45.5%Ford8,903
0.7%
D+8.2
D+7.4
D+6.2
19,565
D
50.1%McGovern9,862
49.3%Nixon9,701
0.5%
D+0.8
R+0.9
D+24.0
19,667
D
48.8%Humphrey8,527
47.0%Nixon8,219
4.2%
D+1.8
R+19.9
D+2.5
17,487
D
60.8%Johnson10,815
39.2%Goldwater6,966
0.0%
D+21.6
D+23.0
R+0.9
17,781
R
49.3%Kennedy9,502
50.7%Nixon9,765
0.0%
R+1.4
D+4.6
R+1.5
19,267
R
47.0%Stevenson8,764
53.0%Eisenhower9,878
0.0%
R+6.0
D+18.4
D+9.4
18,642
R
37.8%Stevenson7,153
62.2%Eisenhower11,759
0.0%
R+24.4
R+32.5
R+13.6
18,912
D
53.4%Truman8,401
45.3%Dewey7,125
1.3%
D+8.1
D+8.5
D+3.6
15,737
R
49.8%Roosevelt7,313
50.2%Dewey7,373
0.0%
R+0.4
R+3.4
R+7.9
14,686
D
51.5%Roosevelt9,491
48.5%Willkie8,939
0.0%
D+3.0
R+24.3
R+7.0
18,430
D
62.7%Roosevelt11,207
35.4%Landon6,323
2.0%
D+27.3
R+3.9
D+3.1
17,881
D
64.6%Roosevelt11,257
33.4%Hoover5,822
2.1%
D+31.2
D+46.0
D+13.4
17,437
R
42.0%Smith6,662
56.7%Hoover9,009
1.3%
R+14.8
D+30.3
D+2.7
15,877
R
9.1%Davis638
54.2%Coolidge3,783
36.6%
R+45.1
R+1.1
R+19.9
6,977
R
13.4%Cox1,647
57.3%Harding7,067
29.3%
R+43.9
R+40.7
R+17.8
12,333
R
44.2%Wilson3,310
47.4%Hughes3,553
8.4%
R+3.2
R+53.6
R+6.4
7,496
D
50.3%Wilson3,217
0.0%Taft0
49.7%
D+50.3
D+65.6
D+30.8
6,392
R
39.3%Bryan2,430
54.6%Taft3,372
6.1%
R+15.2
D+25.8
R+5.7
6,179
R
25.2%Parker1,341
66.2%Roosevelt3,523
8.6%
R+41.0
R+30.6
R+21.3
5,320
R
43.5%Bryan2,275
53.9%McKinley2,818
2.7%
R+10.4
R+19.2
R+2.8
5,232
D
54.1%Bryan2,377
45.3%McKinley1,989
0.6%
D+8.8
D+43.2
D+14.9
4,394
R
10.7%Cleveland435
45.1%Harrison1,832
44.2%
R+34.4
—
R+36.0
4,063
Congressional elections · 2 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2022
R
26.6%4,146
70.2%10,962
15,608
2020
R
34.6%6,731
65.4%12,707
19,438
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+33.5
vs
Presidential vote · 2024R+30.4
Registration leans Republican; the presidential vote runs 3.1 points more Republican.
Domestic migration in Aberdeen, SD in Aberdeen, SD: net domestic migration by year
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.
Akashic
Political twins — metros
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 →
Cite this page
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Aberdeen, SD, South Dakota. Akashic. https://akashic.app/cbsa/10100/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Aberdeen, SD, South Dakota voted Republican by 30.4 points (R+30.4), carried by the Republican candidate. Out of 19,074 votes cast, 6,459 went Democratic and 12,263 went Republican.
When did Aberdeen, SD, South Dakota last vote Democratic?
The most recent presidential election in which Aberdeen, SD, South Dakota voted Democratic was 2008.
How many people live in Aberdeen, SD, South Dakota?
Aberdeen, SD, South Dakota has a population of 41,925 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Aberdeen, SD, South Dakota?
Median household income in Aberdeen, SD, South Dakota is $71,934 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Aberdeen, SD, South Dakota?
Akashic tracks 34 presidential elections in Aberdeen, SD, South Dakota from 1892 to 2024. Of those, 14 went Democratic and 20 went Republican.
