KNOW YOUR SENATOR

Mazie K. Hirono — U.S. Senator for Hawaii

Mazie K. Hirono represents Hawaii in the U.S. Senate. Below is their recent voting record, committee work, campaign finance, contact information, and how they were elected.

Mazie K. Hirono

Mazie K. Hirono D

U.S. Senator, Hawaii

Next election: November 2030 · current term ends 2031-01-03

Mazie K. Hirono: 31% of eligible voters actively chose them.

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31%of eligible voters actively chose them
48%turnout (2024)
17%voted on the prevailing side
100%of recent votes with their party
$16raised per vote that elected them

Where they rank

Legitimacy31% · #28 of 94 in the Senate
lowesthighest
Competitiveness33 pts · #80 of 94 in the Senate
closestsafest
Turnout48% · #18 of 94 in the Senate
lowesthighest
Outside money$2K · #91 of 98 in the Senate
mostleast
Money raised$5.0M · #91 of 98 in the Senate
mostleast
Party independence100% · #67 of 97 in the Senate
most indep.most loyal

How these numbers are calculated →

How they won (2024)

MAZIE K. HIRONO (D) won with 324,194 votes, over BOB MCDERMOTT (R) with 160,075. 501,763 votes were cast out of an estimated 1,050,555 eligible citizens — meaning 52% of eligible voters did not vote in this race.

Contact

District offices

  • Honolulu, HI 96850 — 300 Ala Moana Blvd., Rm. 3-106, Prince Kuhio Federal Building · 808-522-8970

Committee assignments

  • Senate Committee on Armed Services The Senate Committee on Armed Services has legislative jurisdiction over military and defense.
  • Senate Committee on Energy and Natural Resources The Senate Committee on Energy and Natural Resources has legislative jurisdiction on matters related to energy resources and development, nuclear energy, Indian affairs, public lands and their renewable resources, surface mining, territories and insular possessions, and water resources.
  • Senate Committee on Small Business and Entrepreneurship The Senate Committee on Small Business and Entrepreneurship has legislative jurisdiction over the Small Business Administration (SBA). The SBA is an independent federal agency meant to assist and protect the interests of small businesses. The Committee is also responsible for studying and problems of American small business enterprises, and reporting back to the Senate.
  • Senate Committee on the Judiciary The Senate Committee on the Judiciary provides oversight of the Department of Justice and the agencies under the Department's jurisdiction, including the Federal Bureau of Investigation, and the Department of Homeland Security. It also plays an important role in the consideration of nominations and pending legislation. Any legislation related to civil liberty, constitutional amendments, immigration and naturalization, and a variety of other topics is referred to the Committee.
  • Senate Committee on Veterans' Affairs The Senate Committee on Veterans' Affairs has legislative jurisdiction over matters relating to veterans compensation and veterans generally, as well as matters relating to the vocational rehabilitation, education, medical care, civil relief, and civilian readjustment of veterans.
Recent roll-call votes (30)
  • YeaA joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Medicare Program; Implementation of Prior Authorization for Select Services for the Wasteful and Inappropriate Services Reduction (WISeR) Model". — On the Motion to Proceed S.J.Res. 198 (July 16, 2026, 01:25 PM; Motion to Proceed Rejected; outcome went against their vote)
  • NayKara Marie Westercamp, of Virginia, to be a Judge of the United States Court of International Trade — On the Cloture Motion PN851-8 (July 16, 2026, 11:44 AM; Cloture Motion Agreed to; outcome went against their vote)
  • NayJeffrey T. Kuntz, of Florida, to be United States District Judge for the Southern District of Florida — On the Nomination PN930-4 (July 15, 2026, 02:00 PM; Nomination Confirmed; outcome went against their vote)
  • NayJeffrey T. Kuntz, of Florida, to be United States District Judge for the Southern District of Florida — On the Cloture Motion PN930-4 (July 15, 2026, 11:50 AM; Cloture Motion Agreed to; outcome went against their vote)
  • NayAn original bill to authorize appropriations for fiscal year 2027 for military activities of the Department of Defense, for military construction, and for defense activities of the Department of Energy, to prescribe military personnel strengths for such fiscal year, and for other purposes. — On Cloture on the Motion to Proceed S. 4784 (July 14, 2026, 02:41 PM; Cloture on the Motion to Proceed Rejected; outcome matched their vote)
  • NayMatthew A. Schwartz, of New York, to be United States Circuit Judge for the Second Circuit — On the Nomination PN938-2 (July 14, 2026, 11:50 AM; Nomination Confirmed; outcome went against their vote)
  • NayArthur Roberts Jones, of Texas, to be United States District Judge for the Southern District of Texas — On the Nomination PN930-3 (July 13, 2026, 05:31 PM; Nomination Confirmed; outcome went against their vote)
  • YeaA 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. — On the Motion to Proceed S.J.Res. 185 (June 24, 2026, 10:30 PM; Motion to Proceed Rejected; outcome went against their vote)
  • NayMatthew A. Schwartz, of New York, to be United States Circuit Judge for the Second Circuit — On the Cloture Motion PN938-2 (June 24, 2026, 10:09 PM; Cloture Motion Agreed to; outcome went against their vote)
  • YeaA joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Education relating to "Reimagining and Improving Student Education-Federal Student Loan Program Final Regulations". — On the Motion to Proceed S.J.Res. 196 (June 24, 2026, 09:16 PM; Motion to Proceed Rejected; outcome went against their vote)
  • NayArthur Roberts Jones, of Texas, to be United States District Judge for the Southern District of Texas — On the Cloture Motion PN930-3 (June 24, 2026, 06:28 PM; Cloture Motion Agreed to; outcome went against their vote)
  • NayMichael J. Hendershot, of Ohio, to be United States District Judge for the Northern District of Ohio — On the Nomination PN930-2 (June 24, 2026, 05:24 PM; Nomination Confirmed; outcome went against their vote)
  • NayMichael J. Hendershot, of Ohio, to be United States District Judge for the Northern District of Ohio — On the Cloture Motion PN930-2 (June 24, 2026, 02:57 PM; Cloture Motion Agreed to; outcome went against their vote)
  • NayJohn George Edward Marck, of Texas, to be United States District Judge for the Southern District of Texas — On the Nomination PN930-7 (June 24, 2026, 02:17 PM; Nomination Confirmed; outcome went against their vote)
  • NayJohn George Edward Marck, of Texas, to be United States District Judge for the Southern District of Texas — On the Cloture Motion PN930-7 (June 24, 2026, 11:39 AM; Cloture Motion Agreed to; outcome went against their vote)
  • YeaA concurrent resolution directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran. — On the Concurrent Resolution H.Con.Res. 86 (June 23, 2026, 03:01 PM; Concurrent Resolution Agreed to; outcome matched their vote)
  • NayDarrell Owens, of Pennsylvania, to be U.S. Representative to the Organization for Security and Cooperation in Europe, with the rank of Ambassador — On the Nomination PN859-3 (June 23, 2026, 02:15 PM; Nomination Confirmed; outcome went against their vote)
  • YeaA bill a bill to increase the supply of housing in America, and for other purposes. — On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 6644 with an Amendment (SA 5823)) (June 22, 2026, 05:40 PM; Motion Agreed to; outcome matched their vote)
  • NayGeorge Holding, of North Carolina, to be United States Director of the European Bank for Reconstruction and Development — On the Nomination PN730-33 (June 18, 2026, 01:40 PM; Nomination Confirmed; outcome went against their vote)
  • YeaA bill a bill to increase the supply of housing in America, and for other purposes. — On the Cloture Motion H.R. 6644 (June 18, 2026, 11:01 AM; Cloture Motion Agreed to; outcome matched their vote)
  • YeaA resolution requesting information on Honduras's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961. — On the Motion to Discharge S.Res. 616 (June 17, 2026, 04:27 PM; Motion to Discharge Rejected; outcome went against their vote)
  • NayGeorge Holding, of North Carolina, to be United States Director of the European Bank for Reconstruction and Development — On the Cloture Motion PN730-33 (June 17, 2026, 03:04 PM; Cloture Motion Agreed to; outcome went against their vote)
  • NayMichelle Steel, of California, to be Ambassador to the Republic of Korea — On the Nomination PN901-8 (June 17, 2026, 02:15 PM; Nomination Confirmed; outcome went against their vote)
  • NayMichelle Steel, of California, to be Ambassador to the Republic of Korea — On the Cloture Motion PN901-8 (June 17, 2026, 11:48 AM; Cloture Motion Agreed to; outcome went against their vote)
  • YeaA bill a bill to increase the supply of housing in America, and for other purposes. — On the Motion to Proceed H.R. 6644 (June 16, 2026, 04:52 PM; Motion to Proceed Agreed to; outcome matched their vote)
  • YeaA 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. — On the Motion to Discharge S.J.Res. 172 (June 16, 2026, 03:01 PM; Motion to Discharge Rejected; outcome went against their vote)
  • YeaA joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Executive Office for Immigration Review relating to "Appellate Procedures for the Board of Immigration Appeals". — On the Motion to Proceed S.J.Res. 190 (June 16, 2026, 11:44 AM; Motion to Proceed Rejected; outcome went against their vote)
  • NayJustin D. Smith, of Missouri, to be United States Circuit Judge for the Eighth Circuit — On the Nomination PN851-7 (June 15, 2026, 05:28 PM; Nomination Confirmed; outcome went against their vote)
  • NayJustin D. Smith, of Missouri, to be United States Circuit Judge for the Eighth Circuit — On the Cloture Motion PN851-7 (June 11, 2026, 01:41 PM; Cloture Motion Agreed to; outcome went against their vote)
  • NayBrock Dahl, of Maryland, to be Legal Adviser of the Department of State — On the Nomination PN901-4 (June 11, 2026, 11:30 AM; Nomination Confirmed; outcome went against their vote)

This member across the public record

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