HIRONO, MAZIE K.
D · senate · currently seated · bioguide H001042
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- FEC candidate id
S2HI00106- Internal id
be3778b6-c301-4cfe-8cc0-87b39c16f776- Status
- incumbent
Who this candidate represents (statewide)
Who lives here — American Community Survey 5-year estimates (2024), Hawaii. Source.
| Category | Metric | Value |
|---|---|---|
| People | Population | 1,445,235 |
| People | Median age | 41 |
| Income | Median household income | $100,389 |
| Income | Per-capita income | $46,005 |
| Income | In poverty | 10.0% |
| Income | Unemployed | 4.6% |
| Income | Gini inequality index | 0.451 |
| Race | White alone | 22.1% |
| Race | Black alone | 1.9% |
| Race | Asian alone | 36.9% |
| Race | Hispanic or Latino | 9.9% |
| Race | Two or more races | 27.0% |
| Origin | Foreign-born | 17.9% |
| Language | Speaks English only at home | 75.3% |
| Language | Speaks Spanish at home | 2.0% |
| Education | High school or higher | 62.7% |
| Education | Bachelor's or higher | 36.1% |
| Education | Advanced degree | 13.3% |
| Household | Family households | 68.0% |
| Household | Avg household size | 2.85 |
| Household | Never married (15+) | 34.2% |
| Housing | Median home value | $839,100 |
| Housing | Median gross rent | $1,971 |
| Housing | Single-family detached | 53.5% |
| Housing | Built before 1940 | 3.1% |
| Housing | Overcrowded (>1 per room) | 8.8% |
| Housing | Vacant units | 13.3% |
| Service | Veterans (18+) | 8.0% |
| Health | With a disability | 12.9% |
| Connectivity | Households with broadband | 92.0% |
| Connectivity | Households with no internet | 5.3% |
| Commute | Drove alone | 65.2% |
| Commute | Public transit | 3.8% |
| Commute | Worked from home | 9.6% |
Cycle financials
Source: FEC weball bulk file (cycle summary). Numbers in USD; 0 = no activity reported.
| Cycle | Raised | Spent | Cash on hand | Debts | Indiv. contribs. |
|---|---|---|---|---|---|
| 2026 | $486,875 | $499,060 | $1,393,689 | $0 | $443,149 |
| 2024 | $3,292,049 | $2,799,353 | $1,405,875 | $0 | $2,064,894 |
| 2022 | $957,489 | $888,149 | $913,179 | $0 | $737,832 |
| 2020 | $797,442 | $950,476 | $843,840 | $125,000 | $656,135 |
| 2018 | $3,275,240 | $3,091,303 | $996,873 | $125,000 | $1,908,751 |
| 2016 | $1,030,529 | $425,347 | $812,934 | $125,000 | $732,570 |
| 2014 | $638,048 | $507,620 | $207,753 | $125,000 | $467,960 |
| 2012 | $5,518,572 | $5,657,754 | $77,323 | $241,951 | $4,136,454 |
Elections
- 2012 general senate · HI-S — running
- 2012 general senate · HI-S — running
- 2012 general senate · HI-S — won
- 2012 general senate · HI-S — won
- 2012 general senate · HI-S — running
- 2012 general senate · HI-S — won
- 2012 general senate · HI-S — running
- 2012 general senate · HI-S — running
- 2012 general senate · HI-S — won
- 2018 general senate · HI-S — won
- 2018 general senate · HI-S — running
- 2018 general senate · HI-S — running
- 2018 general senate · HI-S — won
- 2018 general senate · HI-S — running
- 2018 general senate · HI-S — won
- 2018 general senate · HI-S — won
- 2024 general senate · HI-S — won
- 2024 general senate · HI-S — won
- 2024 general senate · HI-S — running
- 2024 general senate · HI-S — running
- 2024 general senate · HI-S — won
- 2024 general senate · HI-S — running
- 2024 general senate · HI-S — running
- 2024 general senate · HI-S — won
- 2024 general senate · HI-S — won
- 2030 general senate · HI-S — running
- 2030 general senate · HI-S — running
- 2030 general senate · HI-S — running
- 2030 general senate · HI-S — running
- 2030 general senate · HI-S — running
- 2030 general senate · HI-S — running
Committees
- CANTWELL-HIRONO VICTORY FUND — joint_fundraising · type S
- DEMOCRATIC SENATE MAJORITY VICTORY FUND 2012 — joint_fundraising · type N
- FRIENDS OF MAZIE HIRONO — principal · type S
- HEINRICH HIRONO VICTORY FUND — joint_fundraising · type S
- HEITKAMP HIRONO VICTORY COMMITTEE — joint_fundraising · type S
- JUSTICE 2012 — joint_fundraising · type S
- JUSTICE 2018 — joint_fundraising · type N
- MOVING HAWAII FORWARD — joint_fundraising · type N
- OFF THE SIDELINES HI-ND-NV-WI — joint_fundraising · type N
- TEXANS FOR A PROGRESSIVE SENATE — joint_fundraising · type S
- WOMEN HOLD THE LINE — joint_fundraising · type S
- WOMEN ON THE ROAD 2018 — joint_fundraising · type N
- WOMEN ON THE ROAD CALIFORNIA 2018 — joint_fundraising · type N
- WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING - BOSTON — joint_fundraising · type N
- WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING-NEW YORK CITY — joint_fundraising · type N
- WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING-WASHINGTON DC — joint_fundraising · type N
- WOMEN ON THE ROAD TO THE SENATE: 12 AND COUNTING -DENVER — joint_fundraising · type N
- WOMEN ON THE ROAD TO THE SENATE: 12 AND COUNTING-SEATTLE — joint_fundraising · type N
Recent votes
- 2026-05-14 · Cong. 119 · senate roll 124
NAY on Cloture Motion Agreed to (51-46) - 2026-05-13 · Cong. 119 · senate roll 123
YEA on SJRES 130 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Consumer Financial Protection relating to withdrawal of the rule relating to "Consumer Financial Protection Circular 2024-05: Improper Overdraft Opt-In Practices". - 2026-05-13 · Cong. 119 · senate roll 122
YEA on SJRES 141 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by Bureau of Consumer Financial Protection relating to the withdrawal of the rule relating to "Debt Collection Practices (Regulation F); Deceptive and Unfair Collection of Medical Debt". - 2026-05-13 · Cong. 119 · senate roll 121
YEA on SJRES 132 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Consumer Financial Protection relating to the withdrawal of the rule relating to "Examinations for Risks to Active-Duty Servicemembers and Their Covered Dependents". - 2026-05-13 · Cong. 119 · senate roll 120
NAY on Nomination Confirmed (54-45) - 2026-05-13 · Cong. 119 · senate roll 119
YEA on SRES 526 — A resolution withholding the pay of Senators if a Government shutdown occurs. - 2026-05-13 · Cong. 119 · senate roll 118
YEA on SJRES 163 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress. - 2026-05-12 · Cong. 119 · senate roll 117
NAY on Cloture Motion Agreed to (51-45) - 2026-05-12 · Cong. 119 · senate roll 116
NAY on Nomination Confirmed (51-45) - 2026-05-11 · Cong. 119 · senate roll 115
NAY on Cloture Motion Agreed to (49-44)
Sponsored & cosponsored bills
- cosponsor · 2026-05-11 — S 4487 — Veterans’ Compensation Cost-of-Living Adjustment Act of 2026
- cosponsor · 2025-07-23 — S 2392 — Veterans’ Compensation Cost-of-Living Adjustment Act of 2025
- cosponsor · 2024-09-25 — S 5269 — VetPAC Act of 2024
- sponsor · 2024-05-02 — S 4259 — Lahaina National Heritage Area Study Act
- cosponsor · 2023-10-24 — S 3105 — Safe Schools Improvement Act
- sponsor · 2023-07-27 — S 2589 — AG RESEARCH Act
- cosponsor · 2023-04-26 — S 1317 — Anti-Racism in Public Health Act of 2023
Election prediction
Cycle 2026 · model baseline-v1 · base rate 15.1%
P(win) = 99.0%
| Feature | Δ P(win) |
|---|---|
| Base rate (historical) | 15.1% |
| incumbent | +78.0% |
| D (major party) | +10.0% |
| senate race | -2.0% |
Baseline model (incumbency × party × office). Calibration: backtest Brier score is the reference, see npm run db:ingest -- --source=predict-backtest-election. Future model versions must beat baseline Brier on the same held-out cohort or they don't ship.
Independent expenditures
Money spent by super PACs and other non-connected committees for or against this candidate. Source: FEC Schedule E (independent_expenditure CSV bulk).
| Cycle | Support | Oppose | IEs |
|---|---|---|---|
| 2024 | $3,992 | $0 | 4 |
Recent (latest 25)
| Date | Spender | For / against | Amount | Purpose |
|---|---|---|---|---|
| 2024-10-29 | DEMOCRATIC PARTY OF HAWAII | support | $1,089 | Direct Mail |
| 2024-10-29 | DEMOCRATIC PARTY OF HAWAII | support | $907 | Postage - Direct Mail |
| 2024-10-29 | DEMOCRATIC PARTY OF HAWAII | support | $1,089 | Direct Mail |
| 2024-10-29 | DEMOCRATIC PARTY OF HAWAII | support | $907 | Postage - Direct Mail |
Transfers from committees
Direct contributions from PACs and party committees. Source: FEC pas2 bulk (committee-to-candidate transactions).
Top individual donors (2026 cycle)
Via this candidate's principal committee FRIENDS OF MAZIE HIRONO.
Aggregated from FEC Schedule A by donor (name + city + state). Employer + occupation reflect the donor's most recent gift. Source: FEC indiv bulk.
| Donor | Employer / occupation | City, ST | Gifts | Total |
|---|---|---|---|---|
| HEE LOUI, STEVEN CHUNG | NOT EMPLOYED · NOT EMPLOYED | HONOLULU, HI | 2 | $6,000 |
| AGBAYANI, AMEFIL | UNIVERSITY OF HAWAII · EDUCATOR | HONOLULU, HI | 1 | $2,000 |
| BUELSING, MICHAEL TODD | NOT EMPLOYED · NOT EMPLOYED | HONOLULU, HI | 1 | $1,500 |
| CLIFFORD, JACLYNN J. | NOT EMPLOYED · NOT EMPLOYED | NORFOLK, VA | 1 | $1,000 |
| BRIDGES, ELAINE AMACKER | NOT EMPLOYED · NOT EMPLOYED | TRAVERSE CITY, MI | 1 | $1,000 |
| STRAND, ROBERT E. | CARLSMITH BALL, LLP · ATTORNEY | HONOLULU, HI | 1 | $1,000 |
| LOUI, PATRICIA | OMNITRAK GROUP, INC. · OWNER | HONOLULU, HI | 1 | $1,000 |
| ROSDIL, WILLIAM J. | NOT EMPLOYED · NOT EMPLOYED | HAWAII NATIONAL PARK, HI | 1 | $1,000 |
| LEE, PAUL W. | NOT EMPLOYED · NOT EMPLOYED | CAMBRIDGE, MA | 1 | $1,000 |
| DEGHETTO, SCOTT | HEI · FINANCE | HONOLULU, HI | 1 | $750 |
| MURAO, KURT | HAWAIIAN ELECTRIC INDUSTRIES, INC. · ATTORNEY | MILILANI, HI | 1 | $750 |
| JIN, LES | NOT EMPLOYED · NOT EMPLOYED | WASHINGTON, DC | 1 | $500 |
| ASHLEY, RUTHE C. | NOT EMPLOYED · NOT EMPLOYED | VALLEJO, CA | 1 | $500 |
| KANAZAWA, SIDNEY | SK LAW MEDIATION · ARBITRATOR | LOS ANGELES, CA | 1 | $500 |
| HORIBE, ROYDEN | NOT EMPLOYED · NOT EMPLOYED | LAWAI, HI | 1 | $500 |
| SOO, JULIE D. | CA DEPARTMENT OF INSURANCE · ATTORNEY | SAN FRANCISCO, CA | 1 | $500 |
| MINAMI, DALE | MINAMITAMAKI, LLP · ATTORNEY | SAN FRANCISCO, CA | 1 | $500 |
| HARA, RANDOLPH K. | NOT EMPLOYED · NOT EMPLOYED | HONOLULU, HI | 1 | $500 |
| TAMASHIRO, BRUCE | HEI · ACCOUNTANT | AIEA, HI | 1 | $300 |
| HART, BROOK | NOT EMPLOYED · NOT EMPLOYED | HONOLULU, HI | 1 | $300 |
| CHUN-HOON, CAMILLE | NOT EMPLOYED · NOT EMPLOYED | HONOLULU, HI | 1 | $300 |
| MIYASATO, YASUO | NOT EMPLOYED · RETIRED | WAIPAHU, HI | 1 | $300 |
| KONISHI, SHELLEY T. | NOT EMPLOYED · NOT EMPLOYED | LIHUE, HI | 1 | $250 |
| KOYAMA, REIKO | HUNTON ANDREWS KURTH · ATTORNEY | WASHINGTON, DC | 1 | $250 |
| LUCKETT, DEBORAH A. | PT HAWAII · VICE PRESIDENT | HONOLULU, HI | 1 | $250 |
Connected on the graph
Inbound (100)
Outbound (42)
| date | type | to | amount | role | source |
|---|---|---|---|---|---|
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING-NEW YORK CITY | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD TO THE SENATE: 12 AND COUNTING-SEATTLE | — | candidate_committees | |
| — | joint_fundraising_committee_of | HEITKAMP HIRONO VICTORY COMMITTEE | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING - BOSTON | — | candidate_committees | |
| — | joint_fundraising_committee_of | OFF THE SIDELINES HI-ND-NV-WI | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD TO THE SENATE: 12 AND COUNTING -DENVER | — | candidate_committees | |
| — | joint_fundraising_committee_of | CANTWELL-HIRONO VICTORY FUND | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD TO THE SENATE 12 AND COUNTING-WASHINGTON DC | — | candidate_committees | |
| — | joint_fundraising_committee_of | JUSTICE 2018 | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD CALIFORNIA 2018 | — | candidate_committees | |
| — | joint_fundraising_committee_of | DEMOCRATIC SENATE MAJORITY VICTORY FUND 2012 | — | candidate_committees | |
| — | joint_fundraising_committee_of | JUSTICE 2012 | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN HOLD THE LINE | — | candidate_committees | |
| — | joint_fundraising_committee_of | WOMEN ON THE ROAD 2018 | — | candidate_committees | |
| — | joint_fundraising_committee_of | HEINRICH HIRONO VICTORY FUND | — | candidate_committees | |
| — | joint_fundraising_committee_of | MOVING HAWAII FORWARD | — | candidate_committees | |
| — | joint_fundraising_committee_of | TEXANS FOR A PROGRESSIVE SENATE | — | candidate_committees | |
| — | principal_candidate_of | FRIENDS OF MAZIE HIRONO | — | candidate_committees | |
| 2026-05-14 | spoke_in_clip | 686ae919 | — | clip | |
| 2026-05-11 | cosponsor_of_bill | S 4487 — Veterans’ Compensation Cost-of-Living Adjustment Act of 2026 | — | cosponsor | sponsorship |
| 2025-07-23 | cosponsor_of_bill | S 2392 — Veterans’ Compensation Cost-of-Living Adjustment Act of 2025 | — | cosponsor | sponsorship |
| 2025-03-31 | spoke_in_clip | 1ba1533d | — | clip | |
| 2025-01-03 | member_of_committee | Senate Readiness and Management Support Subcommittee | — | RANKING | congress-committee |
| 2025-01-03 | member_of_committee | Senate Armed Services Committee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Energy and Natural Resources Committee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Energy Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Border Security and Immigration Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Federal Courts, Oversight, Agency Action, and Federal Rights Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Constitution Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Seapower Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Personnel Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Veterans' Affairs Committee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate National Parks Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Public Lands, Forests, and Mining Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Intellectual Property Subcommittee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Small Business and Entrepreneurship Committee | — | MEMBER | congress-committee |
| 2025-01-03 | member_of_committee | Senate Judiciary Committee | — | MEMBER | congress-committee |
| 2024-09-25 | cosponsor_of_bill | S 5269 — VetPAC Act of 2024 | — | cosponsor | sponsorship |
| 2024-05-02 | sponsor_of_bill | S 4259 — Lahaina National Heritage Area Study Act | — | sponsor | sponsorship |
| 2023-10-24 | cosponsor_of_bill | S 3105 — Safe Schools Improvement Act | — | cosponsor | sponsorship |
| 2023-07-27 | sponsor_of_bill | S 2589 — AG RESEARCH Act | — | sponsor | sponsorship |
| 2023-04-26 | cosponsor_of_bill | S 1317 — Anti-Racism in Public Health Act of 2023 | — | cosponsor | sponsorship |
Clips (5)
Quotes, press releases, and Congressional Record fragments where this entity is the subject. Source: govinfo.gov BILLSTATUS + per-source ingest pipelines.