U.S. Senate · Hawaii
Sen. Mazie K. Hirono (D)
Represents Hawaii, in office since Jan. 3, 2025. Official site
$9.24spent by the campaign for every vote cast in the 2024 general election
- This race$9.24
- HI average$10.57
- Senate average$13.91
Ranks 44 of 96 senators (1 = most spent per vote).
The 2024 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Mazie K. Hirono (D), won | 324,194 (64.6%) | $4,637,978 | $9.24 |
| Bob McDermott (R) | 160,075 (31.9%) | No FEC report found | Not reported |
Total votes cast: 501,763. “Per vote cast” is the campaign’s total spending for that election divided by all votes cast in the race.
Tracked issue money in 2026
| Issue | Groups | Given | Bundled | Spent for | Spent against |
|---|---|---|---|---|---|
| HousingReal estate and home building | Realtors PAC (RPAC) | $1,000 | $0 | $0 | $0 |
| Health care costsHospitals, doctors and drugmakers | Pfizer PAC | $10,000 | $0 | $0 | $0 |
| IsraelGroups seeking policy changes | J Street PAC | $0 | $1,000 | $0 | $0 |
HI’s other senator
Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2024 election (as of Oct. 6, 2026). How this is calculated.