Charleston County, SC

SC · Presidential Elections 18922024

D+5.7
2024 Margin
R+7.2%
2020→2024 Swing
D since 2008
Voting Streak
420K
Population

Charleston County, SC (South Carolina) voted D+5.7 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 111,427 votes (51.94%) to 99,265 (46.27%) for Trump.

This represents a R+7.2% swing toward Republicans compared to 2020. Charleston County is classified as a lean Democratic county. Charleston County has voted Democratic in every presidential election since 2008. The county has a population of approximately 420,264.

Quick Stats

2024 ResultD+5.7
2020→2024 SwingR+7.2%
Voting StreakD since 2008
Elections on Record34

Demographics

Population420,264
Median Age
39.2(US: 38.7)
College (BA+)
50.3%(US: 35.2%)
Median Income
$88,494(US: $80k)
White (non-Hisp)
64.3%(US: 57.6%)
Hispanic
7.2%(US: 19.1%)
Black
22.7%(US: 12.2%)
Asian
1.8%(US: 5.7%)
Homeownership
63.9%(US: 64.5%)
Poverty Rate
11.3%(US: 12.3%)
Veterans
8.2%(US: 6.2%)
Non-English (CVAP)
4.7%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
16.9%
Catholic
12.2%(Below Average)
Black Protestant
10.0%(Unique Concentration)
Mainline Protestant
8.3%(Above Average)
LDS/Mormon
0.8%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
15.3%Above Average(1.7x)
German
11.0%
Irish
10.6%
American Heritage
8.7%Above Average(1.6x)
Italian
4.7%
Mexican
3.5%
+ 3 more reported ancestry groups

Age Distribution

Median:39.2 yrs(US: 38.5)
Under 18
19.5%
18-29
8.3%
30-44
23.4%
45-64
31.0%
65+
17.9%
National average

Employment by Industry

Census ACS
Professional & TechnicalRegional Strength
17.2%(1.4x US)
Educational Services
11.0%(1.3x US)
Retail Trade
9.8%
Manufacturing
7.2%(0.7x US)
Construction
6.3%
Healthcare & Social Services
4.8%
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202451.9%(111,427)46.3%(99,265)D+5.7R+7.2
202055.5%(121,485)42.6%(93,297)D+12.9D+5.0
201650.6%(89,299)42.8%(75,443)D+7.9D+5.5
201250.4%(81,487)48.0%(77,629)D+2.4R+6.0
200853.5%(82,698)45.2%(69,822)D+8.3D+13.1
200446.8%(63,758)51.6%(70,297)R+4.8D+3.0
200044.4%(49,520)52.2%(58,229)R+7.8R+2.5
199645.1%(43,571)50.3%(48,675)R+5.3D+2.1
199240.6%(40,095)48.0%(47,403)R+7.4D+12.1
198839.8%(32,977)59.3%(49,149)R+19.5D+9.3

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

Presidential Margin Trend

Charleston County, SC18922024

D+R++100+80+60+40+200-20-40-60-80-10018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202247.4%(71,983)52.4%(79,586)R+5.0R+16.9
202055.4%(121,517)43.5%(95,401)D+11.9D+26.7
201641.4%(71,631)56.2%(97,219)R+14.8D+3.6
201486.5%(85,806)104.9%(104,012)R+18.4D+9.8
201027.1%(27,092)55.3%(55,147)R+28.1R+22.8
200847.1%(70,463)52.5%(78,424)R+5.3R+5.4
200448.8%(65,197)48.7%(65,088)D+0.1D+7.5
200245.6%(41,955)53.0%(48,773)R+7.4R+29.6
199860.2%(51,723)38.0%(32,674)D+22.2D+26.9
199646.2%(43,388)51.0%(47,860)R+4.8R+13.7

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202255.7%(170,866)43.3%(132,950)D+12.4R+2.6
201857.4%(84,634)42.5%(62,642)D+14.9D+14.2
201448.5%(48,447)47.8%(47,735)D+0.7R+2.2
201050.6%(51,917)47.6%(48,905)D+2.9D+17.0
200642.9%(39,388)57.0%(52,304)R+14.1R+2.7
200244.3%(41,352)55.6%(51,917)R+11.3R+34.1
199860.5%(52,441)37.7%(32,659)D+22.8D+20.6
199449.3%(36,995)47.1%(35,334)D+2.2D+36.9
199031.4%(19,208)66.1%(40,394)R+34.7R+30.0
198646.9%(28,196)51.5%(30,978)R+4.6R+33.5

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

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