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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Nevada matters, but maybe not in the House

National Republicans are extremely cool on Nevada's three competitive House races this cycle, and I expect that won’t change after tonight's results in the GOP primaries. To the extent there was hopefulness around any of the candidates, it was Marty O'Donnell in the 3rd District and Flemming Larsen in the 1st District, who are both wealthy and have the capacity to self-fund campaigns. But neither man looks like they're going win at this point, leaving the GOP with a retread candidate in the 1st District and an untested conservative commentator in the 3rd District.

—Jacob Rubashkin, Inside Elections


Nevada's state legislature has more women than any other state

Fun fact: Nevada's state legislature is 60 percent women, making it the state with the greatest share of female representation at that level in the country. (Next is Arizona, with 51 percent.) Nevada's congressional delegation is also majority women. Both of their senators are women, and two of their four representatives are women. All are Democrats. As Nathaniel just mentioned, Rosen, one of the female senators in Nevada, will face Brown in November, in what is expected to be a close race.

—Meredith Conroy, 538 contributor


First vote drop shows Johnson with an early lead in Nevada's 3rd

As we wrote earlier, Nevada's 3rd congressional district is likely to be one of the most competitive races in the state this fall, with 7 candidates vying to take on Democratic Rep. Susie Lee in this competitive district in the suburbs south of Las Vegas. With 79 percent of the expected vote reported, Johnson, a think-tank founder and policy analyst, has an early lead with 31 percent of the vote so far, according to the AP. Second is Schwartz, with 24 percent of the vote. Schwartz has been running in, and losing, Republican primaries in Nevada since 2012 — most recently a 2022 bid for lieutenant governor. Brian Nadell, who is on our list of anti-abortion candidates, is way behind, with 1 percent of the vote.

—Monica Potts, 538


Brown wins in Nevada

And the AP has projected the Republican primary for U.S. Senate in Nevada for Brown. He'll take on Rosen in the fall in what will be one of the most competitive Senate races of 2024. In fact, considering the weakness of some of the other candidates Republicans will probably nominate for Senate, I'd consider Nevada to be the party's best pick-up opportunity outside the Big Three red states (West Virginia, Montana and Ohio).

—Nathaniel Rakich, 538


The winner of Maine's 2nd District GOP primary will face an endangered Democratic incumbent in fall

Maine's 2nd District is host to a GOP primary in which two first-term state representatives, Austin Theriault and Mike Soboleski, are contending for the right to take on three-term Democratic Rep. Jared Golden. The incumbent has managed to hold onto this seat, which takes in most of Maine north of its southern coastal area, despite its slight Republican lean: Trump would have carried it 51 percent to 45 percent in 2020, according to Daily Kos Elections, making it the second-most Republican-leaning seat (by presidential vote) that a Democratic incumbent is defending in 2024, trailing only Rep. Mary Peltola's at-large seat in Alaska.

Theriault, a former NASCAR driver, looks to be favored. He has Trump's endorsement, which he's naturally emphasized in his ads, and he's congressional Republicans' top choice, having earned the backing of Speaker Mike Johnson and the Congressional Leadership Fund. Moreover, Theriault has raised $1.2 million to Soboleski's $117,000. The only somewhat recent poll was an early April survey from Public Opinion Strategies on behalf of Theriault's campaign that found him leading Soboleski 30 percent to 7 percent. But while Theriault has Trump's backing, Soboleski aligns with the former president — and around two-thirds of Republicans nationally — on the question of the 2020 election's legitimacy. Unlike Theriault, Soboleski has echoed Trump's unsupported claim that Biden didn't legitimately win.

—Geoffrey Skelley, 538