Dorchester County, SC

SC · Presidential Elections 19002024

R+14.6
2024 Margin
R+4.1%
2020→2024 Swing
R since 1980
Voting Streak
167K
Population

Dorchester County, SC (South Carolina) voted R+14.6 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 43,839 votes (56.37%) to 32,489 (41.78%) for Harris.

This represents a R+4.1% swing toward Republicans compared to 2020. Dorchester County is classified as a lean Republican county. Dorchester County has voted Republican in every presidential election since 1980. The county has a population of approximately 167,201.

Quick Stats

2024 ResultR+14.6
2020→2024 SwingR+4.1%
Voting StreakR since 1980
Elections on Record32

Demographics

Population167,201
Median Age
38.0(US: 38.7)
College (BA+)
29.8%(US: 35.2%)
Median Income
$78,198(US: $80k)
White (non-Hisp)
61.4%(US: 57.6%)
Hispanic
7.2%(US: 19.1%)
Black
24.0%(US: 12.2%)
Asian
2.0%(US: 5.7%)
Homeownership
75.5%(US: 64.5%)
Poverty Rate
11.4%(US: 12.3%)
Veterans
11.8%(US: 6.2%)
Non-English (CVAP)
4.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
17.4%
Catholic
10.8%(Below Average)
Mainline Protestant
8.1%(Above Average)
Black Protestant
3.0%
LDS/Mormon
1.4%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
13.0%(1.5x)
German
10.6%
Irish
8.4%
American Heritage
5.4%
Italian
3.7%
Mexican
3.0%
+ 4 more reported ancestry groups

Age Distribution

Median:38.0 yrs(US: 38.5)
Under 18
24.1%
18-29
7.8%
30-44
21.1%
45-64
31.8%
65+
15.2%
National average

Employment by Industry

Census ACS
Manufacturing
11.8%(1.2x US)
Professional & Technical
11.7%
Retail Trade
11.7%
Construction
8.7%(1.3x US)
Educational Services
8.0%
Healthcare & Social Services
4.0%(0.9x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202441.8%(32,489)56.4%(43,839)R+14.6R+4.1
202043.8%(33,824)54.2%(41,913)R+10.5D+7.0
201638.5%(24,055)55.9%(34,987)R+17.5R+1.5
201241.2%(23,445)57.2%(32,531)R+16.0R+0.5
200841.6%(21,806)57.1%(29,929)R+15.5D+11.8
200435.7%(14,733)62.9%(26,006)R+27.3R+1.8
200036.2%(12,168)61.6%(20,734)R+25.5R+5.6
199636.8%(9,931)56.6%(15,283)R+19.8D+1.0
199232.7%(9,160)53.5%(15,004)R+20.9D+12.4
198833.1%(7,371)66.4%(14,756)R+33.2D+3.6

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

Presidential Margin Trend

Dorchester County, SC19002024

D+R++100+80+60+40+200-20-40-60-80-1001900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202237.7%(18,643)62.2%(30,814)R+24.6R+16.1
202044.8%(34,616)53.3%(41,178)R+8.5D+23.9
201632.6%(20,009)65.1%(39,918)R+32.4D+14.7
201471.8%(24,544)119.0%(40,671)R+47.2R+5.7
201023.7%(8,359)65.2%(22,998)R+41.5R+19.2
200838.7%(19,836)61.0%(31,255)R+22.3R+1.7
200438.5%(15,517)59.0%(23,818)R+20.6D+3.8
200237.2%(10,237)61.5%(16,942)R+24.4R+27.8
199850.9%(12,412)47.4%(11,563)D+3.5D+23.3
199638.5%(10,173)58.3%(15,397)R+19.8R+13.1

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202243.7%(43,482)54.9%(54,716)R+11.3R+2.9
201845.7%(23,275)54.2%(27,563)R+8.4D+11.4
201438.3%(13,193)58.2%(20,027)R+19.9R+2.0
201040.1%(14,395)58.0%(20,811)R+17.9D+12.9
200634.6%(9,863)65.3%(18,635)R+30.8R+9.1
200239.2%(10,906)60.8%(16,933)R+21.6R+34.2
199855.3%(13,589)42.7%(10,500)D+12.6D+20.3
199445.0%(9,276)52.8%(10,873)R+7.8D+35.7
199027.0%(4,459)70.5%(11,624)R+43.4R+31.9
198643.6%(6,706)55.1%(8,480)R+11.5R+38.3

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

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