USA Votes Data Lab Newsroom

County twins · 72.1% profile similarity

Cumberland County, MEvs.Charleston County, SC

Cumberland County reports the higher provisional acceptance: 100.0% versus 64.4% in Charleston County.

Population308,827420,264
Median household income$95,677$88,494
Bachelor's degree or higher53.0%50.3%
Poverty7.3%11.3%
Foreign-born6.7%6.7%
No vehicle6.9%5.9%

Administrative contrast

Where the election systems separate

Registered-voter turnout67.8%64.8%
Mail-ballot rejection rate0.16%2.46%
Polling places per 10,000 voters2.1%5.0%
Provisional-ballot acceptance rate100.0%64.4%

Measures come from reporting 2024 EAVS jurisdictions. Missing fields remain missing. A difference describes administration and coverage; it does not establish cause or wrongdoing.

Mail-ballot path

Cumberland County

Transmitted
60,631
Returned
58,046
Rejected
94

Mail-ballot path

Charleston County

Transmitted
12,630
Returned
12,034
Rejected
296