County record · FIPS 17163
St. Clair County, IL
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Illinois.
Population253,694ACS 2020–2024
Registered voters188,339100% jurisdiction coverage
Voters114,629100% jurisdiction coverage
Registered turnout60.86%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 25,800 | 100% |
| Returned | 20,943 | 100% |
| Counted | 21,146 | 100% |
| Rejected | 4,654 | 100% |
Return rate81.17%
Rejection rate22.22%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places113100% coverage
Poll workers755100% coverage
Drop boxes1100% coverage
Provisional ballots cast200100% coverage
Provisional acceptance96.00%Counted / cast where reported
Cross-state twin
St. Clair County, IL ↔ St. Louis County, MN
84.5% profile similarityPopulation253,694200,123
Median household income$73,854$70,069
Poverty13.58%13.21%
No vehicle7.50%7.98%
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 |
|---|---|
| Already voted | 3,877 |
| Signature mismatch | 67 |
| Late | 52 |
| Deceased | 43 |
| Missing signature | 31 |