Democrat Jonathan Kreiss-Tomkins has won the Alaska governor’s race, NBC News projects, flipping control of the office from Republicans.

Kreiss-Tomkins’ victory marks the latest gain for Democrats at the state level in this year’s elections. The party will hold 30 governorships next year after flipping control in six states.

At 37, Kreiss-Tomkins will be the youngest governor in Alaska history and next year he will be the youngest sitting governor in the country. Kreiss-Tomkins, a former state lawmaker, defeated three Republicans on the ballot to succeed term-limited GOP Gov. Mike Dunleavy.

In Alaska, the top four vote-getters in the primary regardless of party advance to the general election, where ranked choice voting is utilized. Kreiss-Tomkins secured a majority of the vote on the first ballot, so the ranked choice aspect did not come into play in the race.

Former state Sen. Tom Begich, a Democrat, had finished second in the August primary just behind Kreiss-Tomkins.…