2022Final results
2022 election for Hawaii Senate District 18
Hawaii State Senate · Hawaii
Michelle Kidani (D) won with 65.7% of the vote, defeating Mary Smart (R) by 31.5 points.
Michelle KidaniDemocrat · winner · incumbent
65.7%11,463
Mary SmartRepublican
34.3%5,977
17,440 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET