Owen led former Republican state Sen. Bill Finkbeiner after Tuesday's initial vote count, and he has maintained a lead as more ballots were tallied throughout the week.
Owen has served in the position since 1997, after being elected the state's 15th lieutenant governor. He previously served as Shelton finance commissioner and has been elected to both chambers of the state Legislature.
Owen said his top priority is stimulating the economy and helping create family-wage jobs.
The lieutenant governor also serves as president of the Senate.
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