County record · FIPS 19101
Jefferson County, IA
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Iowa.
Population15,705ACS 2020–2024
Registered voters11,476100% jurisdiction coverage
Voters8,454100% jurisdiction coverage
Registered turnout73.67%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 1,057 | 100% |
| Returned | 1,003 | 100% |
| Counted | 999 | 100% |
| Rejected | 4 | 100% |
Return rate94.89%
Rejection rate0.40%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places12100% coverage
Poll workersNot reported0% coverage
Drop boxesNot reported0% coverage
Provisional ballots cast8100% coverage
Provisional acceptance25.00%Counted / cast where reported
Cross-state twin
Jefferson County, IA ↔ Grand County, UT
64.6% profile similarityPopulation15,7059,754
Median household income$61,620$67,106
Poverty15.19%13.30%
No vehicle7.52%5.53%
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 signature | 3 |
| Late | 1 |