USA Votes Data Lab Newsroom

County twins · 86.0% profile similarity

Johnston County, NCvs.Berkeley County, SC

Berkeley County reports the higher provisional acceptance: 49.5% versus 27.8% in Johnston County.

Population234,263246,802
Median household income$83,384$84,358
Bachelor's degree or higher28.9%31.0%
Poverty10.6%9.9%
Foreign-born8.3%6.7%
No vehicle3.7%4.0%

Administrative contrast

Where the election systems separate

Registered-voter turnout75.8%66.4%
Mail-ballot rejection rate2.55%1.87%
Polling places per 10,000 voters3.7%5.5%
Provisional-ballot acceptance rate27.8%49.5%

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

Johnston County

Transmitted
8,177
Returned
5,456
Rejected
139

Mail-ballot path

Berkeley County

Transmitted
6,273
Returned
5,897
Rejected
110