Buffalo County, SD

SD · Presidential Elections 1892–2024

D+27.3
2024 Margin
R+3.5%
2020→2024 Swing
D since 1988
Voting Streak
2K
Population

Buffalo County, SD (South Dakota) voted D+27.3 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 291 votes (62.45%) to 164 (35.19%) for Trump.

This represents a R+3.5% swing toward Republicans compared to 2020. Buffalo County is classified as a solid Democratic county. Buffalo County has voted Democratic in every presidential election since 1988. The county has a population of approximately 1,808.

Quick Stats

2024 ResultD+27.3
2020→2024 SwingR+3.5%
Voting StreakD since 1988
Elections on Record34

Demographics

Population1,808
Median Age
22.8(US: 38.7)
College (BA+)
9.9%(US: 35.2%)
Median Income
$47,045(US: $80k)
White (non-Hisp)
21.2%(US: 57.6%)
Hispanic
1.7%(US: 19.1%)
Homeownership
52.6%(US: 64.5%)
Poverty Rate
33.9%(US: 12.3%)
Veterans
10.6%(US: 6.2%)
Non-English (CVAP)
7.2%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
68.2%(Unique Concentration)
Mainline Protestant
8.4%(Above Average)

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
7.3%
American Heritage
7.2%(1.3x)
French
1.1%

Age Distribution

Median:22.8 yrs(US: 38.5)
Under 18
39.2%↑
18-29
13.9%
30-44
15.4%↓
45-64
22.4%↓
65+
9.2%↓
National average

Employment by Industry

Census ACS
Agriculture & ForestryExceptional Hub
10.4%(6.1x US)
Educational Services
7.4%(0.9x US)
Retail Trade
5.5%(0.5x US)
Construction
5.5%(0.8x US)
Healthcare & Social Services
4.0%(0.9x US)
Professional & Technical
4.0%(0.3x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202462.5%(291)35.2%(164)D+27.3R+3.5
202064.1%(352)33.3%(183)D+30.8D+5.3
201660.4%(296)34.9%(171)D+25.5R+22.2
201273.6%(472)25.9%(166)D+47.7R+0.4
200873.3%(454)25.2%(156)D+48.1D+3.0
200471.7%(603)26.5%(223)D+45.2D+16.8
200062.8%(256)34.3%(140)D+28.4R+23.3
199672.7%(465)20.9%(134)D+51.7D+22.5
199256.9%(282)27.6%(137)D+29.2R+8.1
198868.2%(334)30.8%(151)D+37.3D+40.8

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Buffalo County, SD • 1892–2024

D+R++60+40+200-20-40-6018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202251.8%(202)44.4%(173)D+7.4R+10.7
202059.1%(322)40.9%(223)D+18.2D+13.1
201652.6%(257)47.4%(232)D+5.1R+35.1
201462.8%(292)22.6%(105)D+40.2D+140.2
20100.0%(0)100.0%(208)R+100.0R+165.2
200882.6%(512)17.4%(108)D+65.2D+3.3
200480.9%(713)19.1%(168)D+61.9D+1.6
200279.6%(631)19.3%(153)D+60.3D+3.3
199877.4%(455)20.4%(120)D+57.0D+2.5
199677.3%(496)22.7%(146)D+54.5D+10.5

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202258.9%(234)36.3%(144)D+22.7R+25.7
201873.5%(403)25.2%(138)D+48.4D+36.0
201453.6%(244)41.3%(188)D+12.3R+32.2
201072.3%(323)27.7%(124)D+44.5D+36.4
200653.3%(360)45.1%(305)D+8.1R+44.3
200275.3%(583)22.9%(177)D+52.5D+18.1
199865.3%(376)30.9%(178)D+34.4D+16.3
199457.5%(267)39.4%(183)D+18.1D+21.1
199048.5%(372)51.5%(395)R+3.0R+43.3
198670.1%(524)29.9%(223)D+40.3D+15.4

Source: Official state election returns via MIT Election Data + Science Lab

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