Barnwell County, SC

SC · Presidential Elections 18922024

R+15.5
2024 Margin
R+8.1%
2020→2024 Swing
R since 2016
Voting Streak
21K
Population

Barnwell County, SC (South Carolina) voted R+15.5 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 5,605 votes (57.18%) to 4,082 (41.64%) for Harris.

This represents a R+8.1% swing toward Republicans compared to 2020. Barnwell County is classified as a solid Republican county. Barnwell County has voted Republican in every presidential election since 2016. The county has a population of approximately 20,521.

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Quick Stats

2024 ResultR+15.5
2020→2024 SwingR+8.1%
Voting StreakR since 2016
Elections on Record33

Demographics

Population20,521
Median Age
40.4(US: 38.7)
College (BA+)
13.9%(US: 35.2%)
Median Income
$46,626(US: $80k)
White (non-Hisp)
50.4%(US: 57.6%)
Hispanic
2.9%(US: 19.1%)
Black
42.9%(US: 12.2%)
Homeownership
70.9%(US: 64.5%)
Poverty Rate
25.0%(US: 12.3%)
Veterans
7.1%(US: 6.2%)
Non-English (CVAP)
2.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
45.0%(Major Center)
Black Protestant
7.3%(Unique Concentration)
Mainline Protestant
2.8%
Catholic
1.7%(Below Average)
LDS/Mormon
1.3%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

American Heritage
18.6%Significant Hub(3.4x)
English
5.5%
Irish
3.0%
German
3.0%
Mexican
1.8%
Sub-Saharan African
1.4%(1.2x)

Age Distribution

Median:40.4 yrs(US: 38.5)
Under 18
23.7%
18-29
7.8%
30-44
18.1%
45-64
31.3%
65+
19.1%
National average

Employment by Industry

Census ACS
ManufacturingRegional Strength
14.3%(1.5x US)
Educational Services
11.1%(1.3x US)
Professional & Technical
9.6%(0.8x US)
Retail Trade
8.3%(0.8x US)
Construction
6.0%(0.9x US)
Healthcare & Social Services
5.3%(1.2x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202441.6%(4,082)57.2%(5,605)R+15.5R+8.1
202045.7%(4,720)53.2%(5,492)R+7.5R+2.3
201646.4%(4,400)51.5%(4,889)R+5.2R+10.5
201252.3%(5,188)47.0%(4,659)D+5.3D+3.7
200850.3%(4,931)48.7%(4,769)D+1.7D+8.8
200445.9%(3,982)53.0%(4,606)R+7.2D+3.2
200044.2%(3,661)54.6%(4,521)R+10.4R+8.0
199646.6%(3,620)49.0%(3,808)R+2.4D+5.9
199240.9%(3,344)49.2%(4,026)R+8.3D+18.6
198836.2%(2,564)63.1%(4,467)R+26.9R+5.5

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

Presidential Margin Trend

Barnwell County, SC18922024

D+R++100+80+60+40+200-20-40-60-80-10018921904191219201928193619441952196019681976198419922000200820162024
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202239.2%(2,453)60.8%(3,808)R+21.6R+16.1
202046.6%(4,806)52.1%(5,378)R+5.5D+0.6
201646.0%(4,228)52.2%(4,793)R+6.2R+6.5
201497.8%(6,036)97.5%(6,013)D+0.4D+11.3
201042.4%(2,911)53.3%(3,658)R+10.9R+8.9
200848.9%(4,657)51.0%(4,850)R+2.0R+0.8
200448.5%(4,131)49.7%(4,233)R+1.2D+2.2
200247.7%(2,913)51.2%(3,123)R+3.4R+30.8
199863.0%(3,875)35.6%(2,189)D+27.4D+51.6
199637.3%(2,801)61.5%(4,623)R+24.2R+39.4

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202240.6%(5,086)58.2%(7,286)R+17.6R+15.0
201848.7%(3,549)51.2%(3,734)R+2.5D+0.3
201447.7%(2,940)50.5%(3,114)R+2.8R+4.9
201050.0%(3,469)47.9%(3,327)D+2.0R+13.2
200657.6%(3,367)42.3%(2,474)D+15.3D+15.9
200249.7%(3,024)50.3%(3,061)R+0.6R+16.1
199856.9%(3,551)41.3%(2,581)D+15.5D+27.7
199442.9%(2,485)55.0%(3,187)R+12.1D+23.0
199031.7%(1,497)66.8%(3,157)R+35.1R+31.3
198647.8%(2,783)51.6%(3,005)R+3.8R+39.0

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

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