County record · FIPS 30043
Jefferson County, MT
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Montana.
Population12,774ACS 2020–2024
Registered voters10,168100% jurisdiction coverage
Voters8,430100% jurisdiction coverage
Registered turnout82.91%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 6,503 | 100% |
| Returned | 5,866 | 100% |
| Counted | 5,815 | 100% |
| Rejected | 51 | 100% |
Return rate90.20%
Rejection rate0.87%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places9100% coverage
Poll workersNot reported0% coverage
Drop boxesNot reported0% coverage
Provisional ballots cast99100% coverage
Provisional acceptance68.69%Counted / cast where reported
Cross-state twin
Jefferson County, MT ↔ Skamania County, WA
78.2% profile similarityPopulation12,77412,402
Median household income$95,490$93,265
Poverty5.72%8.07%
No vehicle3.02%3.33%
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 |
|---|---|
| Late | 21 |
| Signature mismatch | 21 |
| Missing signature | 8 |