County record · FIPS 17181
Union County, IL
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Illinois.
Population16,997ACS 2020–2024
Registered voters13,563100% jurisdiction coverage
Voters8,333100% jurisdiction coverage
Registered turnout61.44%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 899 | 100% |
| Returned | 785 | 100% |
| Counted | Not reported | 0% |
| Rejected | Not reported | 0% |
Return rate87.32%
Rejection rateNot reported
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places15100% coverage
Poll workers87100% coverage
Drop boxes0100% coverage
Provisional ballots cast0100% coverage
Provisional acceptanceNot reportedCounted / cast where reported
Cross-state twin
Union County, IL ↔ Mason County, KY
82.6% profile similarityPopulation16,99716,956
Median household income$55,728$52,178
Poverty20.22%18.81%
No vehicle9.55%9.59%
The closest profile among counties in other states. Similarity uses seven ACS measures and does not include vote choice.
Reported detail
Mail rejection reasons
No detailed reason breakdown was reported for this county group.