2022Final results
2022 election for Hawaii Senate District 21
Hawaii State Senate · Hawaii
Mike Gabbard (D) won with 58.9% of the vote, defeating Matthew D. Khan (R) by 17.8 points.
Mike GabbardDemocrat · winner · incumbent
58.9%8,164
Matthew D. KhanRepublican
41.1%5,698
13,862 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