PolitiFinder

2018 Hawaii U.S. Senate Election

Hawaii · 2 candidates · See every 2018 U.S. Senate race

Who won the 2018 Hawaii U.S. Senate Election?

Mazie K. Hirono won the 2018 Hawaii U.S. Senate Election. Mazie K. Hirono received 276,316 popular votes (71.15%). The main challenger was Ron Curtis (28.85%).

See the full head-to-head between Hirono and Curtis

Hirono +42.3 pts · won by 164,281 votes
Mazie K. HironoDemocraticWINNER71.15%
276,316 votes
Ron CurtisRepublican28.85%
112,035 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified August 15, 2026.