Zach Lahn Iowa Primary Can Reach Convention at 35%

zach lahn iowa voters head to the polls Tuesday with five Republicans competing for the nomination to run for governor, and the winner must clear 35% to avoid a convention. If no candidate reaches that mark, delegates would choose the nominee at the state convention on June 13th.

Tuesday’s Iowa primary

Iowa Democrats and Republicans are voting Tuesday to decide who advances to the general election. In the governor’s race, the Republican field has five candidates, and the primary is not a simple plurality contest.

A candidate must earn at least 35% of the vote to clinch the nomination. Whoever does so will face Democrat Rob Sand in November.

35% and the convention rule

The 35% threshold creates a second route to the nomination. If no Republican reaches it, the race moves to convention, where delegates would decide the nominee on June 13th.

That rule leaves the Tuesday vote with two possible outcomes for Republican voters: an outright nominee, or a contest carried into the convention process.

Rob Sand and the general election

The Republican nominee will meet Rob Sand in the general election. For voters watching the primary, the immediate question is whether the race ends Tuesday or continues to the convention floor.

What happens next depends on the vote share each candidate gets, not just who finishes first. If the leading Republican falls short of 35%, delegates, not the primary ballot, will settle the nomination on June 13th.