County record · FIPS 17199
Williamson County, IL
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Illinois.
Population66,876ACS 2020–2024
Registered voters53,816100% jurisdiction coverage
Voters33,346100% jurisdiction coverage
Registered turnout61.96%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 4,404 | 100% |
| Returned | 4,008 | 100% |
| Counted | 3,953 | 100% |
| Rejected | 71 | 100% |
Return rate91.01%
Rejection rate1.77%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places35100% coverage
Poll workers274100% coverage
Drop boxes1100% coverage
Provisional ballots cast4100% coverage
Provisional acceptance100.00%Counted / cast where reported
Cross-state twin
Williamson County, IL ↔ Anderson County, TN
89.7% profile similarityPopulation66,87679,153
Median household income$65,604$66,183
Poverty13.75%13.36%
No vehicle5.99%5.61%
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 |
|---|---|
| Signature mismatch | 36 |
| Missing signature | 19 |
| Deceased | 7 |