County record · FIPS 16001
Ada County, ID
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Idaho.
Population518,935ACS 2020–2024
Registered voters346,361100% jurisdiction coverage
Voters271,186100% jurisdiction coverage
Registered turnout78.30%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 66,566 | 100% |
| Returned | 61,398 | 100% |
| Counted | 60,570 | 100% |
| Rejected | 828 | 100% |
Return rate92.24%
Rejection rate1.35%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places166100% coverage
Poll workersNot reported0% coverage
Drop boxes6100% coverage
Provisional ballots castNot reported0% coverage
Provisional acceptanceNot reportedCounted / cast where reported
Cross-state twin
Ada County, ID ↔ Madison County, AL
85.4% profile similarityPopulation518,935405,718
Median household income$91,502$86,499
Poverty8.34%10.13%
No vehicle3.78%3.96%
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 | 88 |
| Missing signature | 48 |
| Missing documentation | 44 |
| Already voted | 19 |
| Late | 2 |