Boundary by 2024 margin · Precinct returns · VEST · 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
GroupDouglas CountySouth DakotaUnited States
German27.9%33.1%12.5%
Dutch26.2%3.4%—
Irish6.3%9.9%9.4%
English4.0%7.7%9.5%
American4.0%4.4%5.3%
Norwegian2.3%10.4%—
Czech1.5%——
Swedish1.2%2.5%—
Mexican1.8%2.6%11.3%
Cuban0.4%—0.7%
Bolivian0.4%——
Colombian0.2%—0.4%
Oglala Sioux0.2%2.0%—
Rosebud Sioux0.2%1.1%—
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
Douglas County
South Dakota
United States
Median age
42
38.2
39.1
Age 18–24
6.8%
9.2%
9.2%
Age 65 and older
24.6%
18.0%
17.2%
Household economy
Measure
Douglas County
South Dakota
United States
Median household income
$86,442
$75,081
$84,427
Poverty rate
11.0%
12.0%
12.5%
Bachelor's degree or higher (25+)
24.9%
31.9%
35.6%
Languages at home
Measure
Douglas County
South Dakota
United States
Speaks a non-English language at home
4.1%
7.1%
22.3%
Spanish
2.1%
2.6%
13.6%
Other languages
1.1%
1.9%
0.8%
Religious landscape
Measure
Douglas County
South Dakota
United States
Catholic
13.3%
14.8%
18.6%
Evangelical Protestant
46.1%
20.1%
16.5%
Unclaimed / not counted
5.7%
44.9%
51.5%
Mainline Protestant
34.9%
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.
Douglas County, South Dakota
Precinct data
Results by precinct
6 precincts · 0 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Douglas County precinct-level presidential election results for 2024
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 3 ArmourTown-ward22
0
0
0
0
—
—
Even
VTD-precinct 4 ArmourTown4
0
0
0
0
—
—
Even
VTD-precinct 55
0
0
0
0
—
—
Even
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−40.6%
1896
−16.7%
1900
−6.7%
1904
−25.9%
1908
−12.7%
1912
+47.4%
1916
−15.4%
1920
−43.8%
1924
−36.1%
1928
−37.7%
1932
+31.3%
1936
+8.3%
1940
−31.1%
1944
−34.7%
1948
−27.7%
1952
−59.9%
1956
−35.6%
1960
−57.5%
1964
−1.7%
1968
−44.7%
1972
−23.5%
1976
−14.8%
1980
−54.7%
1984
−52.2%
1988
−34.7%
1992
−33.6%
1996
−35.9%
2000
−55.5%
2004
−59.8%
2008
−49.5%
2012
−59.3%
2016
−70.0%
2020
−73.3%
2024
−72.4%
DemocraticRepublican
38 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
13.2%Harris219
85.6%Trump1,419
1.0%Kennedy17
R+72.4
D+1.0
R+70.9
1,658
R
12.7%Biden216
86.0%Trump1,468
1.3%Jorgensen23
R+73.3
R+3.3
R+77.8
1,707
R
13.3%Clinton214
83.4%Trump1,338
2.6%Johnson41
R+70.0
R+10.7
R+72.1
1,605
R
19.6%Obama332
78.9%Romney1,334
1.4%
R+59.3
R+9.8
R+63.1
1,690
R
24.1%Obama424
73.6%McCain1,293
2.2%
R+49.5
D+10.3
R+56.8
1,756
R
19.5%Kerry393
79.3%Bush1,596
1.1%
R+59.8
R+4.3
R+57.3
2,012
R
21.2%Gore363
76.7%Bush1,311
2.0%
R+55.5
R+19.5
R+56.0
1,709
R
27.4%Clinton524
63.4%Dole1,210
8.4%Perot161
R+35.9
R+2.4
R+44.5
1,909
R
23.3%Clinton481
56.8%Bush1,175
19.5%Perot403
R+33.6
D+1.2
R+39.1
2,067
R
32.5%Dukakis695
67.2%Bush1,438
0.3%
R+34.7
D+17.5
R+27.0
2,139
R
23.8%Mondale536
76.0%Reagan1,713
0.2%
R+52.2
D+2.5
R+34.0
2,254
R
20.6%Carter508
75.3%Reagan1,855
4.1%
R+54.7
R+39.9
R+45.0
2,463
R
42.5%Carter975
57.3%Ford1,315
0.2%
R+14.8
D+8.7
R+16.9
2,295
R
38.2%McGovern887
61.7%Nixon1,434
0.2%
R+23.5
D+21.2
R+0.4
2,325
R
25.9%Humphrey592
70.7%Nixon1,613
3.4%
R+44.7
R+43.0
R+44.0
2,282
R
49.1%Johnson1,149
50.9%Goldwater1,189
0.0%
R+1.7
D+55.7
R+24.3
2,338
R
21.3%Kennedy541
78.7%Nixon2,002
0.0%
R+57.5
R+21.8
R+57.6
2,543
R
32.2%Stevenson813
67.8%Eisenhower1,713
0.0%
R+35.6
D+24.2
R+20.2
2,526
R
20.1%Stevenson528
79.9%Eisenhower2,103
0.0%
R+59.9
R+32.2
R+49.1
2,631
R
36.0%Truman736
63.7%Dewey1,301
0.2%
R+27.7
D+7.0
R+32.2
2,042
R
32.7%Roosevelt719
67.3%Dewey1,483
0.0%
R+34.7
R+3.6
R+42.2
2,202
R
34.5%Roosevelt1,040
65.5%Willkie1,977
0.0%
R+31.1
R+39.3
R+41.0
3,017
D
53.0%Roosevelt1,680
44.7%Landon1,418
2.2%
D+8.3
R+23.0
R+16.0
3,169
D
65.4%Roosevelt2,005
34.1%Hoover1,045
0.5%
D+31.3
D+69.0
D+13.5
3,066
R
31.0%Smith879
68.7%Hoover1,949
0.4%
R+37.7
R+1.6
R+20.2
2,838
R
14.2%Davis317
50.2%Coolidge1,125
35.6%La Follette797
R+36.1
D+7.8
R+10.9
2,239
R
19.7%Cox386
63.5%Harding1,247
16.9%
R+43.8
R+28.5
R+17.6
1,964
R
42.1%Wilson597
57.5%Hughes815
0.4%
R+15.4
R+62.8
R+18.5
1,418
O
47.4%Wilson714
0.0%Taft0
52.6%
Roosevelt +5.2
D+60.1
D+27.9
1,506
R
43.3%Bryan647
56.0%Taft836
0.7%
R+12.7
D+13.3
R+3.1
1,493
R
36.0%Parker499
61.9%Roosevelt859
2.2%
R+25.9
R+19.3
R+6.3
1,388
R
46.2%Bryan567
52.9%McKinley649
1.0%
R+6.7
D+10.0
D+0.9
1,228
R
41.4%Bryan380
58.1%McKinley533
0.5%
R+16.7
D+23.9
R+10.6
918
R
10.2%Cleveland109
50.8%Harrison541
38.9%
R+40.6
—
R+42.3
1,064
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
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
8.0%117
89.2%1,308
1,467
2020
R
13.8%235
86.2%1,469
1,704
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+72.7
vs
Presidential vote · 2024R+72.4
Registration and the presidential vote track closely here — within 0.3 points.
Net migration over time, and who arrivals are — where they came from and what those places vote
−18 net domestic migration · 2025
20112025
Net −131 over 2011–2025 · gain loss
Arrivals reported $67,500 in average income, against $79,629 for residents who stayed — 15% 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.
Domestic migration in Douglas County, SD in Douglas County, SD: net domestic migration by year
Year
Net domestic migration
2011
−3
2012
−7
2013
+27
2014
−41
2015
+21
2016
−54
2017
0
2018
−21
2019
−18
2021
−13
2022
−27
2023
+34
2024
−11
2025
−18
Douglas County recorded an R+72.4 margin in the 2024 presidential race, placing it among the most one-sided counties in the country. Its roughly 3,400 residents are spread across a largely agricultural landscape in south-central South Dakota.
Across the recorded series it reached a Democratic high of 47.4 points in 1912 and a Republican high of 73.3 points in 2020. Between 2020 and 2024 the county moved 1.0 points toward the Democratic candidate; the 2024 margin was 72.4 points.
A population of 2,828, a 92% non-Hispanic-white share, and a median household income of $86,442 describe the county. The county's voting pattern over the last decade is most similar to that of Gray County and Pierce County.
Akashic
Political twins — counties
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.
How did Douglas County, South Dakota vote in 2024?
In 2024, Douglas County, South Dakota voted Republican by 72.4 points (R+72.4), carried by the Republican candidate. Out of 1,658 votes cast, 219 went Democratic and 1,419 went Republican.
When did Douglas County, South Dakota last vote Democratic?
The most recent presidential election in which Douglas County, South Dakota voted Democratic was 1936.
How many people live in Douglas County, South Dakota?
Douglas County, South Dakota has a population of 2,828 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Douglas County, South Dakota?
Median household income in Douglas County, South Dakota is $86,442 — above the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Douglas County, South Dakota?
Akashic tracks 38 presidential elections in Douglas County, South Dakota from 1876 to 2024. Of those, 2 went Democratic and 31 went Republican.
