County record · FIPS 08013
Boulder County, CO
A joined view of reported 2024 election administration and the 2020–2024 American Community Survey profile for Colorado.
Population328,961ACS 2020–2024
Registered voters262,877100% jurisdiction coverage
Voters198,885100% jurisdiction coverage
Registered turnout75.66%Reported voters / registration
Ballot administration
Mail-ballot record
| Stage | Reported ballots | Jurisdiction coverage |
|---|---|---|
| Transmitted | 235,417 | 100% |
| Returned | 184,366 | 100% |
| Counted | 180,573 | 100% |
| Rejected | 3,793 | 100% |
Return rate78.31%
Rejection rate2.06%
A blank means the source did not provide enough information. It does not mean zero ballots.
Administrative capacity
Election infrastructure
Polling places19100% coverage
Poll workers564100% coverage
Drop boxes20100% coverage
Provisional ballots cast12100% coverage
Provisional acceptance75.00%Counted / cast where reported
Cross-state twin
Boulder County, CO ↔ Orange County, NC
72.2% profile similarityPopulation328,961149,678
Median household income$103,994$90,089
Poverty11.16%12.48%
No vehicle5.17%4.90%
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 | 3,409 |
| Late | 189 |
| Missing signature | 65 |
| Missing documentation | 46 |
| Already voted | 24 |