Super Tuesday primaries 2024: Trump and Biden dominate, Haley drops out

538 tracked how Trump and Haley did, plus key U.S. House and Senate races.

March 5 was Super Tuesday — the biggest election day of the year until the one in November! With former President Donald Trump projected to win 14 of the day's 15 GOP presidential nominating contests, former U.N. Ambassador Nikki Haley announced Wednesday morning that she is suspending her campaign.

It was also the first downballot primary day of 2024, with important contests for Senate, House and governor in states like Alabama, California, North Carolina and Texas.

538 reporters, analysts 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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Haley's coalition remains strong in Vermont

While the overall result has differed, the Vermont map below showcases a similar trend to Massachusetts. As Nathaniel pointed out, Boston and its well-to-do suburbs leaned towards Haley. In Vermont, Haley's strongest results came in areas just across the New Hampshire border from Dartmouth College and in the stretch of land between Montpelier and Burlington, which benefit economically from those population centers and a few prominent ski resorts.

Amina Brown, 538


VIEWPAC-endorsed candidates in open primaries are having a tough night

In 2022, our analysis showed that just 48 percent of Republican women in open primaries endorsed by VIEWPAC (a PAC dedicated to electing more women) won. As we observed at the time, VIEWPAC was willing to endorse candidates running against Trump endorsees, which was a bold, but losing, strategy in 2022. Tonight, VIEWPAC candidates in open primaries are not having a lot of success. As I already mentioned, in Alabama's 2nd District, Caroleene Dobson trails Dick Brewbaker. And in Texas's 26th District, another endorsee, Luisa del Rosa, a small business owner, is in a distant fourth place behind a Trump endorsee, Brandon Gill, with 88 percent of the expected votes in. (Gill has also been endorsed by Club for Growth.) But in Texas's 34th, the race has been called for their endorsee, Maya Flores ... who is also endorsed by Trump.

Meredith Conroy, 538 contributor


Vermont on the razor's edge

Nikki Haley's delegate count from Vermont hinges on whether she clears the 50 percent threshold. And right now, she's incredibly close to it. With 68,420 votes cast, Haley has 34,215, which is 4 more votes than the 50 percent plus 1 she needs to sweep the state's delegates. When I simulate 100,000 primaries with that number of total votes and an even 50-50 split, I get a result that's within that tight margin only 3 percent of the time.

—Dan Hopkins, 538 contributor


Trump projected to win California

Polls have closed in California, and ABC News projects that Trump will win the Golden State. He should easily clear 50 percent and claim all of the state's 169 delegates.

—Geoffrey Skelley, 538


Haley’s favorability ratings in Super Tuesday states aren’t encouraging for her

While we don’t have data for every Super Tuesday state, in the ones we do, Haley’s favorability lags far behind Trump’s among Republican voters. In Texas, an early February poll from YouGov/The University of Texas shows GOP voters there have a particularly dim view of Haley; the survey shows Haley 4 percentage points underwater among Republicans, with a 36 percent favorability rating and a 40 percent unfavorability rating, while Trump is has a massive positive net approval rating of 71 percent (83 percent favorable and just 12 percent unfavorable).

While not quite as dismal as in Texas, Haley’s numbers in other Super Tuesday states lag far behind Trump’s. For example, a Morning Consult/Bloomberg poll from mid-February in North Carolina has Haley at net +18 percent favorability (52 percent favorable, 34 percent unfavorable) among registered Republicans, compared to net +64 percent favorability for Trump (81 percent favorable, 17 percent unfavorable). An early February poll in Maine from Pan Atlantic Research shows Haley at net favorability +15 percent favorable (50 to 35 percent), compared to Trump’s net +52 percent favorability rating (76 to 24 percent).

In Vermont, polls suggest Haley might perform a little better than in other states, but her favorability is underwater, according to an early January survey from the University of New Hampshire Survey Center. That survey had Trump with a lower favorable rating than he enjoys in other states, net +20 points (57 to 37 percent), but Haley had a net favorability of -9 points among likely primary voters: 32 percent favorable and 41 percent unfavorable.

—Mary Radcliffe, 538