2018 United States Senate election in Hawaii
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The 2018 United States Senate election in Hawaii was held on November 6, 2018, to elect a member of the United States Senate to represent the state of Hawaii. Democratic incumbent Mazie Hirono won a second term, defeating Republican nominee Ron Curtis. Hirono won by the largest margin of any U.S. senate candidate in 2018.[1]
November 6, 2018
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| Turnout | 51.32% | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Hirono: 50–60% 60–70% 70–80% 80–90% >90% Curtis: 50–60% 60–70% No votes | |||||||||||||||||
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The primary election took place on August 11, 2018. Hirono won the Democratic nomination unopposed, while Curtis won the Republican nomination with 24% of the vote in an eight-way primary.[2]
Democratic primary
Background
Incumbent senator Hirono raised $600,000 by 2016 and was expected to run for re-election. U.S. representative Tulsi Gabbard was considered a potential candidate in the primary.[3]
However, Gabbard did not challenge Hirono for the nomination.
Candidates
Nominee
- Mazie Hirono, incumbent U.S. senator (2013–present)[4]
Endorsements
Results
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Mazie Hirono (incumbent) | 201,679 | 100% | |
| Total votes | 201,679 | 100% | ||
Republican primary
Candidates
Nominee
- Ron Curtis, retired systems engineer[15]
Eliminated in primary
- Consuelo Anderson, educator and businesswoman[15]
- George L. Berish, former Honolulu Symphony board member and finance chair[15]
- Rocky De La Fuente, businessman[16]
- Robert C. Helsham Sr.[15]
- Michael R. Hodgkiss[15]
- Eddie Pirkowski, CEO[15]
- Thomas Edward White[17]
Results

| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Ron Curtis | 6,370 | 23.73% | |
| Republican | Consuelo Anderson | 5,172 | 19.26% | |
| Republican | Robert C. Helsham | 3,988 | 14.85% | |
| Republican | Thomas E. White | 3,657 | 13.62% | |
| Republican | Rocky De La Fuente | 3,065 | 11.42% | |
| Republican | George L. Berish | 1,658 | 6.18% | |
| Republican | Michael R. Hodgkiss | 1,576 | 5.87% | |
| Republican | Eddie Pirkowski | 1,358 | 5.06% | |
| Total votes | 26,848 | 100% | ||
Nonpartisan primary
Candidates
Declared
- Charles Haverty
- Matthew K. Maertens
- Arturo Pacheco Reyes[a]
Results

| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Nonpartisan | Arturo Pacheco Reyes | 441 | 38.02% | |
| Nonpartisan | Charles Haverty | 416 | 35.86% | |
| Nonpartisan | Matthew K. Maertens | 303 | 26.12% | |
| Total votes | 1,160 | 100% | ||
General election
Predictions
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report[19] | Safe D | October 26, 2018 |
| Inside Elections[20] | Safe D | November 1, 2018 |
| Sabato's Crystal Ball[21] | Safe D | November 5, 2018 |
| Daily Kos[22] | Safe D | November 5, 2018 |
| Fox News[23][b] | Likely D | November 5, 2018 |
| CNN[24] | Safe D | November 5, 2018 |
| RealClearPolitics[25] | Safe D | November 5, 2018 |
Results
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Mazie Hirono (incumbent) | 276,316 | 71.15% | +8.55% | |
| Republican | Ron Curtis | 112,035 | 28.85% | −8.55% | |
| Total votes | 388,351 | 100% | N/A | ||
| Democratic hold | |||||
By county
By county | ||||||||||||||||||||||||||||||||||
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By congressional district
Hirono won both congressional districts.[27]
| District | Hirono | Curtis | Representative |
|---|---|---|---|
| 1st | 70% | 30% | Colleen Hanabusa (115th Congress) |
| Ed Case (116th Congress) | |||
| 2nd | 72% | 28% | Tulsi Gabbard |