Republicans helped same-sex marriage win at the polls

Walter Olson is a senior fellow at the Cato Institute and the author of “Schools for Misrule.”

After years of defeats, same-sex-marriage advocates scored a remarkable 4-0 sweep of state ballot contests on Nov. 6. One major reason: This year, significant numbers of Republicans voted their way. That should give pause to a GOP establishment that has alienated many younger voters and independents with its stance on the issue and now faces the prospect of dissent among its core constituents as well.

The evidence comes straight from a close study of the election returns in Maryland, Maine and Minnesota. (Washington state, with its unique system of mail voting, has been slower to report its results in detail. I’ve based my analysis on the other three states that had same-sex-marriage contests.)

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Let’s break it down.

The Maryland ballot referendum, Question 6, essentially asked voters to confirm or reject a new law allowing same-sex marriage. In 11 of the 18 counties that Mitt Romney carried, Question 6 fared better than President Obama, a sign that GOP voters had crossed over in support. While the phenomenon could be seen everywhere from farm towns to blue-collar inner suburbs, the biggest swings tended to come in affluent bedroom communities. At one precinct in Hunt Valley, north of Baltimore, with 2,116 votes cast, there was a 28 percentage-point swing, leading to a landslide for Romney and the ballot question: Obama drew a paltry 37 percent, but Question 6 carried the precinct with a whopping 65 percent.

The margins weren’t as large in other precincts, but swings of 10, 15 and 20 points were common. (I should mention that I volunteered on my own time for the Question 6 effort, working especially among libertarians and conservatives on its behalf.)

In Minnesota, where voters were asked to ban same-sex marriage through a state constitutional amendment, precinct returns show that suburban Republicans broke from their party in droves to defeat the ban. According to the Pioneer Press of St. Paul, 47 towns around the Twin Cities area voted for Romney while opposing the measure, known as Amendment One. Exurban Scott County, the state’s fastest growing, narrowly turned down Amendment One, even as it gave Romney a comfortable 56.5 percent of its vote.

To be sure, rural parts of Minnesota saw ticket-splitting the other way, with some Democratic-leaning areas backing the marriage ban. But within commuting distance of the Twin Cities, the defections from the Republican line were deep and unmistakable. Romney won easily in such lakeside Hennepin County towns as Orono, Deephaven and Shorewood. Conventional wisdom would have them voting for the marriage ban as well — but they rejected Amendment One by 60 percent or more, an outcome that suggests a significant change in demographics and attitudes from even a decade ago.

In the large and politically competitive middle-class suburb of Eagan, Minn., home to former GOP governor Tim Pawlenty, Romney wound up losing by nine points, about the same as his statewide margin. That was close, though, compared with the results for Amendment One, which Eagan voters buried by a 22-point margin.