2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Alaska House District 27
Alaska House of Representatives · Alaska
Mia Costello (R) won with 56.3% of the vote, defeating Robert L. Buch (D) by 12.5 points, a seat Democrats won last time.
Mia CostelloRepublican · winner
56.3%3,696
Robert L. BuchDemocrat · incumbent
43.7%2,873
6,569 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET