County record · FIPS 25017
Middlesex County, MA
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Massachusetts.
Population1,638,365ACS 2020–2024
Registered voters1,149,127100% jurisdiction coverage
Voters825,133100% jurisdiction coverage
Registered turnout71.81%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 348,600 | 100% |
| Returned | 308,665 | 100% |
| Counted | 305,502 | 100% |
| Rejected | 3,163 | 100% |
Return rate88.54%
Rejection rate1.02%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places326100% coverage
Poll workers2,220100% coverage
Drop boxes154100% coverage
Provisional ballots cast932100% coverage
Provisional acceptance31.87%Counted / cast where reported
Cross-state twin
Middlesex County, MA ↔ King County, WA
78.2% profile similarityPopulation1,638,3652,287,171
Median household income$130,847$124,746
Poverty7.74%8.59%
No vehicle10.27%11.24%
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 | 775 |
| Missing signature | 507 |
| No secrecy envelope | 370 |
| Already voted | 123 |
| Deceased | 28 |
| Ineligible | 13 |
| Missing documentation | 7 |