County record · FIPS 29183
St. Charles County, MO
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Missouri.
Population414,535ACS 2020–2024
Registered voters291,246100% jurisdiction coverage
Voters229,319100% jurisdiction coverage
Registered turnout78.74%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 9,518 | 100% |
| Returned | 8,626 | 100% |
| Counted | 8,171 | 100% |
| Rejected | 455 | 100% |
Return rate90.63%
Rejection rate5.27%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places104100% coverage
Poll workers1,189100% coverage
Drop boxesNot reported0% coverage
Provisional ballots cast1,295100% coverage
Provisional acceptance59.85%Counted / cast where reported
Cross-state twin
St. Charles County, MO ↔ Harford County, MD
79.9% profile similarityPopulation414,535263,757
Median household income$104,692$112,265
Poverty5.20%7.14%
No vehicle3.78%4.43%
The closest profile among counties in other states. Similarity uses seven ACS measures and does not include vote choice.
Reported detail
Mail rejection reasons
| Reason | Ballots |
|---|---|
| Missing witness | 294 |
| Late | 92 |
| Missing signature | 37 |
| Deceased | 12 |
| Missing documentation | 12 |