† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 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
GroupVermillion, SDSouth DakotaUnited States
German34.1%33.1%12.5%
Irish11.2%9.9%9.4%
Norwegian9.1%10.4%—
English6.3%7.7%9.5%
Danish4.2%0.8%—
Swedish3.9%2.5%—
American3.0%4.4%5.3%
Czech2.6%——
Mexican2.3%2.6%11.3%
Spaniard0.6%——
Asian Indian1.4%0.2%1.4%
Chinese0.5%—1.3%
Nepalese0.5%——
Vietnamese0.3%—0.6%
Burmese0.2%0.2%—
Oglala Sioux0.3%2.0%—
Maya0.3%——
African American†1.0%1.1%9.9%
Nigerian0.3%—0.2%
African0.2%0.2%0.5%
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
Vermillion, SD
South Dakota
United States
Median age
24.9
38.2
39.1
Age 18–24
32.7%
9.2%
9.2%
Age 65 and older
12.2%
18.0%
17.2%
Household economy
Measure
Vermillion, SD
South Dakota
United States
Median household income
$56,850
$75,081
$84,427
Poverty rate
19.7%
12.0%
12.5%
Bachelor's degree or higher (25+)
45.4%
31.9%
35.6%
Languages at home
Measure
Vermillion, SD
South Dakota
United States
Speaks a non-English language at home
4.2%
7.1%
22.3%
Other Indo-European
1.0%
0.4%
2.0%
Religious landscape
Measure
Vermillion, SD
South Dakota
United States
Catholic
9.7%
14.8%
18.6%
Evangelical Protestant
5.1%
20.1%
16.5%
Unclaimed / not counted
65.9%
44.9%
51.5%
Mainline Protestant
15.8%
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.
Vermillion, SD
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−44.1%
1896
−7.6%
1900
−14.2%
1904
−61.2%
1908
−22.7%
1912
+41.0%
1916
+9.2%
1920
−32.1%
1924
−27.6%
1928
−27.1%
1932
+33.0%
1936
+27.4%
1940
−4.2%
1944
−4.6%
1948
−3.4%
1952
−40.1%
1956
−15.4%
1960
−19.2%
1964
+18.1%
1968
−5.5%
1972
+5.7%
1976
−1.0%
1980
−11.6%
1984
−6.0%
1988
+10.6%
1992
+15.9%
1996
+17.4%
2000
+5.4%
2004
+10.2%
2008
+24.2%
2012
+15.4%
2016
+9.8%
2020
+11.0%
2024
+6.5%
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
D
52.0%Harris2,944
45.5%Trump2,574
2.5%
D+6.5
R+4.5
D+8.0
5,657
D
54.1%Biden3,083
43.1%Trump2,456
2.8%
D+11.0
D+1.2
D+6.6
5,698
D
51.4%Clinton2,608
41.6%Trump2,109
6.9%
D+9.8
R+5.6
D+7.8
5,069
D
56.5%Obama2,955
41.0%Romney2,147
2.5%
D+15.4
R+8.8
D+11.6
5,234
D
61.0%Obama3,808
36.8%McCain2,296
2.2%
D+24.2
D+14.1
D+17.0
6,242
D
54.0%Kerry3,315
43.9%Bush2,692
2.1%
D+10.2
D+4.8
D+12.6
6,136
D
51.7%Gore2,638
46.3%Bush2,363
2.0%
D+5.4
R+12.1
D+4.9
5,105
D
53.5%Clinton2,980
36.0%Dole2,008
10.5%
D+17.4
D+1.6
D+8.9
5,572
D
46.8%Clinton2,826
31.0%Bush1,869
22.2%
D+15.9
D+5.2
D+10.3
6,036
D
55.0%Dukakis2,859
44.4%Bush2,307
0.7%
D+10.6
D+16.6
D+18.3
5,200
R
46.7%Mondale2,711
52.6%Reagan3,057
0.7%
R+6.0
D+5.6
D+12.3
5,808
R
36.0%Carter2,271
47.6%Reagan3,004
16.5%
R+11.6
R+10.6
R+1.9
6,316
R
48.9%Carter2,593
49.9%Ford2,647
1.2%
R+1.0
R+6.7
R+3.1
5,301
D
52.7%McGovern2,821
47.0%Nixon2,518
0.2%
D+5.7
D+11.2
D+28.8
5,352
R
45.7%Humphrey2,006
51.3%Nixon2,249
3.0%
R+5.5
R+23.6
R+4.8
4,386
D
59.1%Johnson2,599
40.9%Goldwater1,802
0.0%
D+18.1
D+37.3
R+4.5
4,401
R
40.4%Kennedy1,878
59.6%Nixon2,772
0.0%
R+19.2
R+3.8
R+19.4
4,650
R
42.3%Stevenson1,928
57.7%Eisenhower2,632
0.0%
R+15.4
D+24.7
±0.0
4,560
R
30.0%Stevenson1,412
70.0%Eisenhower3,302
0.0%
R+40.1
R+36.7
R+29.3
4,714
R
47.7%Truman2,080
51.1%Dewey2,228
1.2%
R+3.4
D+1.2
R+7.9
4,361
R
47.7%Roosevelt1,796
52.3%Dewey1,970
0.0%
R+4.6
R+0.5
R+12.1
3,766
R
47.9%Roosevelt2,266
52.1%Willkie2,463
0.0%
R+4.2
R+31.5
R+14.1
4,729
D
61.0%Roosevelt3,070
33.6%Landon1,692
5.4%
D+27.4
R+5.6
D+3.1
5,035
D
65.7%Roosevelt3,040
32.7%Hoover1,514
1.5%
D+33.0
D+60.1
D+15.2
4,624
R
36.3%Smith1,474
63.4%Hoover2,573
0.2%
R+27.1
D+0.5
R+9.6
4,057
O
14.7%Davis492
42.3%Coolidge1,415
43.0%
La Follette +0.7
D+4.5
R+2.4
3,345
R
29.8%Cox907
61.9%Harding1,885
8.3%
R+32.1
R+41.3
R+5.9
3,046
D
53.7%Wilson1,207
44.5%Hughes1,000
1.7%
D+9.2
R+31.8
D+6.1
2,246
O
41.0%Wilson929
0.0%Taft0
59.0%
Roosevelt +18.0
D+63.7
D+21.5
2,266
R
37.3%Bryan803
59.9%Taft1,291
2.8%
R+22.7
D+38.5
R+13.1
2,154
R
16.2%Parker361
77.4%Roosevelt1,723
6.4%
R+61.2
R+47.0
R+41.5
2,226
R
42.2%Bryan1,037
56.4%McKinley1,387
1.4%
R+14.2
R+6.6
R+6.7
2,459
R
45.7%Bryan1,061
53.4%McKinley1,238
0.9%
R+7.6
D+36.4
R+1.6
2,320
R
9.6%Cleveland164
53.7%Harrison918
36.8%
R+44.1
—
R+45.7
1,711
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
43.3%2,042
53.5%2,522
4,713
2020
R
49.6%2,807
50.4%2,857
5,664
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+6.0
vs
Presidential vote · 2024D+6.5
Vermillion, SD registers Republican but votes Democratic — a 13-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
Domestic migration in Vermillion, SD in Vermillion, SD: net domestic migration by year
Year
Net domestic migration
2011
+81
2012
−8
2013
−217
2014
−119
2015
−150
2016
+64
2017
−19
2018
−89
2019
+38
2021
+119
2022
+59
2023
+80
2024
−189
2025
−182
Home to the University of South Dakota, Vermillion skews younger and more educated than most of the state, producing vote margins that diverge noticeably from surrounding Clay County's rural precincts.
Across the recorded series it reached a Democratic high of 41.0 points in 1912 and a Republican high of 61.2 points in 1904. Between 2020 and 2024 the metro moved 4.5 points toward the Republican candidate; the 2024 margin was 6.5 points.
A population of 15,219, a 84% non-Hispanic-white share, and a median household income of $56,850 describe the metro. The metro's voting pattern over the last decade is most similar to that of Ames, IA and Iowa City, IA.
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
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Vermillion, SD, South Dakota. Akashic. https://akashic.app/cbsa/46820/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Vermillion, SD, South Dakota vote in 2024?
In 2024, Vermillion, SD, South Dakota voted Democratic by 6.5 points (D+6.5), carried by the Democratic candidate. Out of 5,657 votes cast, 2,944 went Democratic and 2,574 went Republican.
When did Vermillion, SD, South Dakota last vote Republican?
The most recent presidential election in which Vermillion, SD, South Dakota voted Republican was 1984.
How many people live in Vermillion, SD, South Dakota?
Vermillion, SD, South Dakota has a population of 15,219 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Vermillion, SD, South Dakota?
Median household income in Vermillion, SD, South Dakota is $56,850 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Vermillion, SD, South Dakota?
Akashic tracks 34 presidential elections in Vermillion, SD, South Dakota from 1892 to 2024. Of those, 15 went Democratic and 17 went Republican.
