County twins · 75.9% profile similarity
St. Louis County, MOvs.Charleston County, SC
St. Louis County reports the higher mail rejection: 4.21% versus 2.46% in Charleston County.
Population995,569420,264
Median household income$82,936$88,494
Bachelor's degree or higher47.4%50.3%
Poverty9.8%11.3%
Foreign-born8.3%6.7%
No vehicle6.6%5.9%
Administrative contrast
Where the election systems separate
Registered-voter turnout68.3%↔64.8%
Mail-ballot rejection rate4.21%↔2.46%
Polling places per 10,000 voters4.5%↔5.0%
Provisional-ballot acceptance rate61.7%↔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
St. Louis County
- Transmitted
- 43,411
- Returned
- 38,945
- Rejected
- 1,638
Mail-ballot path
Charleston County
- Transmitted
- 12,630
- Returned
- 12,034
- Rejected
- 296