County record · FIPS 34021
Mercer County, NJ
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for New Jersey.
Population385,864ACS 2020–2024
Registered voters267,601100% jurisdiction coverage
Voters165,154100% jurisdiction coverage
Registered turnout61.72%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 55,331 | 100% |
| Returned | 43,582 | 100% |
| Counted | 43,310 | 100% |
| Rejected | 261 | 100% |
Return rate78.77%
Rejection rate0.60%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places101100% coverage
Poll workersNot reported0% coverage
Drop boxes19100% coverage
Provisional ballots cast6,270100% coverage
Provisional acceptance82.60%Counted / cast where reported
Cross-state twin
Mercer County, NJ ↔ Prince George's County, MD
68.1% profile similarityPopulation385,864959,754
Median household income$100,645$101,798
Poverty10.27%10.84%
No vehicle11.18%9.17%
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 documentation | 46 |
| Missing signature | 41 |
| Late | 21 |
| Signature mismatch | 14 |