
Incumbent Sen. Daniel S. Sullivan (R), Mary Peltola (D), Gerald Heikes (R), and Dan Sullivan(R) are running in the general election for the U.S. Senate in Alaska on Nov. 3, 2026. Daniel S. Sullivan and Peltola lead in polls, noteworthy endorsements, and fundraising. The four candidates who received the most votes during the top-four primary…

Five candidates are running in the Democratic primary for the U.S. Senate in New Hampshire on Sept. 8, 2026. Incumbent U.S. Sen. Jeanne Shaheen (D-N.H.) is retiring from public office. Karishma Manzur (D) and Chris Pappas (D) lead in polls, fundraising, and media attention. According to Spectrum News 1 Worcester's Donovan Lynch, there is an…

Incumbent Darline Graham (R) and Ralph Norman (R) are running in a special Republican Party primary runoff on August 25, 2026, in South Carolina to determine which candidate will be the Republican nominee in the state's general election on November 3, 2026. In the primary, Graham received 33% of the vote to Norman's 24%. The…

Peggy Flanagan (D) defeated Angie Craig (D) and four other candidates in the Democratic primary for U.S. Senate in Minnesota on August 11, 2026. As of August 2026, Flanagan and Craig led in endorsements, fundraising, and local media attention. Incumbent Tina Smith (D) did not run for re-election. Smith endorsed Flanagan. The Democratic-Farmer-Labor Party of…

On July 25, Troy Jackson (D) won the nominating convention to replace Graham Platner (D) as the Democratic nominee for the U.S. Senate general election in Maine. This is the first time since 1918 that a U.S. Senate nominee has been replaced in Maine. After a woman accused Platner of sexually assaulting her in 2021,…

Nebraska's U.S. Senate general election will not feature a Democrat after nominee Cindy Burbank (D) withdrew on July 17 — the 17th regular or special U.S. Senate election we identified since 2000 with no Democratic candidate, compared to four with no Republican candidate. Two of those elections with no Republican candidates were due to California's…

Ken Paxton (R) defeated incumbent John Cornyn (R) in the Republican primary runoff for U.S. Senate in Texas on May 26, 2026. Paxton and Cornyn were the top two finishers in the March 3 primary. The primary advanced to a runoff because neither received more than 50% of the vote. Cornyn led Paxton 42.0%–40.5% in…

Since no candidate won 50% of the vote in the Republican primary for the U.S. Senate in Alabama, the top two vote getters — Barry Moore (R) and Jared Hudson (R) — advanced to the Republican primary runoff on June 16, 2026. Ahead of the Republican primary on May 19, 2026, Moore, Hudson, and Steve…

Abdul El-Sayed (D), Mallory McMorrow (D), Haley Stevens (D), and two other candidates are running in the Democratic primary for U.S. Senate in Michigan on August 4, 2026. As of May 2026, El-Sayed, McMorrow, and Stevens led in polling, endorsements, fundraising, and local media attention. Incumbent Gary Peters (D) is not running for re-election. Crain's…

Two candidates are running in the Democratic primary to represent Iowa in the U.S. Senate on June 2, 2026: Josh Turek (D) and Zach Wahls (D). Incumbent Sen. Joni Ernst (R) is not running for re-election. The Cook Political Report's Jessica Taylor describes this race as one of the 2026 primaries in which Democrats are…