Chuck Schumer Democratic John Thune Republican The 2024 United States Senate elections were held on November 5, 2024.

[12] In addition, Sen. Laphonza Butler of California[13] and Sen. George Helmy of New Jersey[14] – each of whom had been appointed to their respective Senate seats – did not seek election in 2024.

Concurrent with the 2024 regular Senate elections, two special Senate elections took place: one in California, to fill the final two months of Dianne Feinstein's term following her death in September 2023; and one in Nebraska, to fill the remaining two years of Ben Sasse's term following his resignation in January 2023.

[23] Time's Eric Cortellessa wrote that the thesis of the Republicans' success boiled down to the simple slogan "Max out the men and hold the women", meaning emphasizing the economy and immigration, which Trump did "relentlessly".

Cortellessa also mentioned Trump's minimization of his numerous controversies, and push-offs of criminal trials via "a combination of friendly judges and legal postponements" to after the election.

[24] NPR wrote that "Americans have continued to chafe at higher than pre-pandemic prices and the lack of affordable housing", and that much of the voter placed the blame "squarely" on the Biden administration, wishing for the economy that Trump established years ago.

Senator Dianne Feinstein had previously announced her intent to retire at the end of her term; however, she died in office on September 29, 2023.

JD Vance resigned shortly after the start of the 119th Congress on January 10, 2025 to be vice president and was replaced by lieutenant governor Jon Husted.

[51][52] Pinal County sheriff Mark Lamb and 2022 gubernatorial nominee Kari Lake sought the Republican nomination for U.S.

Democrat Laphonza Butler, president of EMILY's List, was appointed by California governor Gavin Newsom to succeed Feinstein on October 2, 2023.

[38] There were three major Democratic candidates for the seat — U.S. representatives Barbara Lee, Katie Porter, and Adam Schiff — along with former professional baseball player Steve Garvey running as a Republican.

[67] Delaware's at-large U.S. representative Lisa Blunt Rochester ran for the Democratic nomination to succeed Carper, who endorsed her when he announced his retirement.

[73] Brevard County assistant district attorney Keith Gross and actor John Columbus challenged Scott for the Republican nomination.

[85] Former governor Larry Hogan easily defeated conservative former state delegate Robin Ficker for the Republican nomination.

[89] Software company owner Robert Antonellis,[90] Quincy City Council president Ian Cain,[91] and attorney John Deaton[92] ran as Republicans.

Former U.S. representatives Mike Rogers and Justin Amash, and hedge fund manager Sandy Pensler[97] ran for the Republican nomination.

[107] Marine veteran Lucas Kunce, who ran unsuccessfully for the Class III seat in 2022, won the Democratic nomination on August 6, 2024.

Tester was one of two Democratic senators running for reelection who represented states won by Republican Donald Trump in both the 2016 and 2020 presidential elections.

[112] Sheehy defeated Tester in the general election, marking the first since 1911 that the Republican Party controlled both of Montana's senate seats.

[78] Veteran and 2022 Senate candidate Sam Brown was declared the Republican nominee after winning the June 11 primary.

[118] Brown easily won against former ambassador to Iceland Jeffrey Ross Gunter and former state assemblyman Jim Marchant, among others.

[121] On March 14, 2024, a week after his planned retirement, Menendez reversed his decision and attempted to run for re-election as an Independent candidate.

[123][124] Governor Phil Murphy announced that day he would appoint George Helmy, his former chief of staff, to serve as the caretaker before the election.

[125] Financier and current first lady of New Jersey Tammy Murphy also ran for the Democratic nomination, but ended her campaign in March 2024.

[126] Mendham mayor Christine Serrano Glassner[127] and real estate developer Curtis Bashaw[128] ran for the Republican nomination.

[135] Democrat Katrina Christiansen, an engineering professor from the University of Jamestown and candidate for the Senate in 2022, was her party's nominee.

He was one of two Democratic senators running for reelection who represented states won by Republican Donald Trump in both the 2016 and 2020 presidential elections.

[154] The Republican nominee was U.S. representative John Curtis,[155] who defeated Riverton Mayor Trent Staggs,[156] and state House speaker Brad Wilson,[157] in the primary election.

Wheeling mayor Glenn Elliott, who had Manchin's endorsement,[166] defeated community organizer and U.S. Marine Corps veteran Zachary Shrewsbury and former coal executive Don Blankenship in the primary for the Democratic Party nomination.

Former Milwaukee County sheriff David Clarke[169] was seen as a potential Republican challenger to Hovde's bid, but never ended up beginning a campaign for Senate.