Iowa voters are split on whether to oust three Iowa Supreme Court judges who ruled in favor of gay marriage.

The latest Des Moines Register poll finds that thirty-seven percent of likely voters will vote to remove all three judges on Tuesday. Thirty-four percent say they will vote to keep all three, and 10 percent will vote against some of the judges.

The poll suggests that at least one of the three justices up for a retention vote this year will be voted off the bench. Retention of Chief Justice Marsha Ternus and Justices David Baker and Michael Streit will be on the ballot this year.

Social conservatives are furious at the court's 2009 unanimous decision that brought gay marriage to the Midwest and have mounted a campaign to ax the judges.

Sioux City businessman Bob Vander Plaats is spearheading the campaign to remove the judges from the bench. He launched the Iowa for Freedom campaign after losing the Republican nomination for governor.

“This is about freedom,” Vander Plaats told a crowd at a recent Taking Back America meeting in Cedar Falls. “Marriage happens to be the issue.”

Christian-based groups the American Family Association (AFA) and the Family Research Council (FRC) are backing Vander Plaats' group.

Opponents of ousting the judges say the move would politicize the court.