South Carolina, Nevada, North Dakota primaries and Ohio special election 2024: Nancy Mace, Sam Brown win

Democrats nearly won a safely Republican congressional seat.

June 11 was another packed primary day, as voters in South Carolina, Maine, North Dakota and Nevada weighed in on who will make the ballot this fall. We had our eyes on a slew of Republican primaries on Tuesday, including several competitive contests for U.S. House seats, as well as contests to pick Nevada's GOP Senate nominee and effectively pick the next governor of North Dakota.

In South Carolina, Rep. Nancy Mace's Trumpian pivot didn't cost her, as she handily fended off an establishment-aligned primary challenger. Fellow incumbent Rep. William Timmons, who was looking vulnerable after an infidelity scandal, also came out ahead in a closer race against his right-wing challenger. In North Dakota's At-Large Congressional District, Julie Fedorchak became the first non-incumbent woman this cycle to win a GOP primary for a safely red seat. In Nevada, Republican voters chose Sam Brown as their candidate to challenge incumbent Democratic Sen. Jacky Rosen this fall.

Finally, a special election is set to give House Republicans one more seat of breathing room, as voters in Ohio's 6th District filled the seat vacated by Rep. Bill Johnson's departure in January — though not without some unexpected suspense.

As usual, 538 reporters and contributors broke down the election results as they came in with live updates, analysis and commentary. Read our full live blog below.


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North Dakota Congressional age limit measure is projected to pass

According to the AP, the Congressional age limit ballot measure in North Dakota is projected to pass. With 70 percent of the expected vote reported, support for the measure is at 61 percent. As I mentioned earlier, this makes North Dakota the first state in the nation to enact such a law, but it undoubtedly will face legal challenges in the coming years.

—Mary Radcliffe, 538


Speaking of anti-abortion Republicans in South Carolina ...

I checked back in on the three "sister senators" in the state Senate I mentioned earlier, who banded together to successfully filibuster against a near-total abortion ban in the state. According to the AP, Gustafson is projected to lose renomination in the state's 27th to Blackmon. In the 23rd, Shealy is 4 percentage points ahead of Carlisle Kennedy with 88 percent of the expected vote reporting. But with Shealy holding only 40 percent of the vote so far, that race looks to be heading to a runoff. And in the state's 41st, we've got quite the nail-biter: With 80 percent of the expected vote reporting, Senn is behind Leber by just 0.4 points. All together, it looks like all three women are in danger of losing their seats to anti-abortion male challengers.

—Mary Radcliffe, 538


Checking in on anti-abortion candidates in South Carolina

Biggs was one of the anti-abortion candidates we were watching tonight, and her advance to a runoff in the 3rd district primary against Burns gives her something like a win — though as others have noted, she's an underdog in that contest. Templeton lost to Mace in the 1st district, while incumbent Timmons is solidly leading in his primary in the 4th district, according to the AP. With 56 percent of the vote so far and nearly three-fourths of the expected vote reporting, AP projects that Buckner will win his 6th District primary.

—Monica Potts, 538


Fedorchak projected to win in North Dakota congressional primary

The AP is projecting that Fedorchak will win the Republican primary in North Dakota's at-large congressional district race. With 72 percent of the expected vote reporting, she has 46 percent of the vote so far. Her nearest challenger, Becker, has 29 percent of the vote so far.

—Monica Potts, 538


Women we're watching tonight: Will Fedorchak be the first non-incumbent woman nominated in a safe red seat?

According to our recent analysis of primaries this cycle through May 21, 41 percent of Democrats' nominees (that is, primary winners) for House, Senate and governor are women, compared to just 16 percent of Republicans'. That's a big difference. To date, no non-incumbent Republican women have won a nomination for a safe Republican seat in November — and there were certainly plenty of opportunities, given a high number of GOP (and overall) retirements this year. In short, Democrats are nominating many more women than Republicans thus far, and doing so in places where their chances are better in November.

Tonight there is at least one Republican woman with a good shot at bucking that trend and effectively claiming a safe red seat in November: North Dakota Public Service Commissioner Julie Fedorchak, who's running for the state's open at-large House seat. In addition to endorsements from several of the women's groups we're tracking (E-PAC, VIEW PAC and Winning for Women), she has Trump's endorsement, too.

Another Republican primary of note features two women, and GOP women's groups, going head-to-head: In South Carolina's 1st District, incumbent Rep. Nancy Mace faces several challengers, but her most notable opponent is former state cabinet official Catherine Templeton. Templeton is endorsed by Winning for Women, while Mace is endorsed by VIEW PAC (and notably, Trump). It's the first race we've seen so far in this season where two of the women's groups we're tracking are actively endorsing against each other.

On the Democratic side, three incumbent Democratic women in Nevada — Sen. Jacky Rosen, Rep. Susie Lee and Rep. Dina Titus — should cruise to victory with no serious competition in their primaries today, but they'll be watching today's GOP primaries to see which Republicans they'll face in November, when their races could be close, as Geoffrey wrote in 538's primary preview.

Meredith Conroy, 538 contributor