2022Final resultsIncumbent defeated
2022 election for Alaska Senate District H
Alaska State Senate · Alaska
Matt Claman (D) won with 51.8% of the vote, defeating Mia Costello (R) by 3.9 points.
Matt ClamanDemocrat · winner
51.8%7,868
Mia CostelloRepublican · incumbent
47.9%7,271
15,190 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET