Incumbent Dave Rollo, who has been a supporter of a controlled deer cull in Bloomington, narrowly won the Democratic nomination for his city council seat.
Deckard says in his remaining time as mayor, he will continue to work on various infrastructure projects, such as installing new water lines.
Haywood Ware defeated Jim Wright in the Greencastle primary mayoral election.
Mark Bird defeated John Walters in the mayoral primary election.
Brad Bough won the Bedford Republican mayoral primary election with 80 percent of the votes.
Hamilton, who ran unsuccesfully against Mayor Mark Kruzan in 2011, will now face Republican John Turnbull in November's mayoral election.
Lienhoop, who joined the Columbus City Council in 2012, said he hopes to alleviate the “climate of uncertainty” he thinks has dominated the city's politics.
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Martha Lake currently works as the Howard County Auditor.
Hamilton says the voters have spoken, but now it's just a matter of waiting.