
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,…

Incumbent Sen. Susan Collins (R) and Troy Jackson (D) are running in the general election for the U.S. Senate in Maine on Nov. 3, 2026. On July 10, 2026, Graham Platner (D), the winner of the 2026 Democratic primary for the U.S. Senate in Maine, withdrew from the general election following an allegation of sexual assault. As a result, the Maine Democratic Party held a nominating convention to select…

Sam Forstag (D), Aaron Flint (R), Nick Sheedy (L), and Kimberly Persico (I) are running in the general election for Montana's 1st Congressional District on Nov. 3, 2026. Incumbent Rep. Ryan Zinke (R) did not run for re-election. Forstag and Flint lead in polls, noteworthy endorsements, fundraising, and media attention. Subsidiaries of the Democratic and Republican Parties identified this as a competitive election. The Democratic Congressional Campaign Committee (DCCC) identified it as a target district and named…

Incumbent Rep. Tom Suozzi (D) and Michael LiPetri Jr. (R/Conservative Party) are running in the general election for New York's 3rd Congressional District on Nov. 3, 2026. This election is a rematch from 2024, when Suozzi defeated LiPetri 51.7% to 48.1% in the general election. This district is also one of 23 Democratic-held districts that President Donald Trump (R) won in the 2024 presidential election. Trump defeated Kamala…

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…

Seventy members of Congress — 11 Senators and 59 Representatives— are not running for re-election this year, the most since at least 2000 and 32% more than the 53 who did not run in 2024. These figures are likely final — 49 of 50 state filing deadlines have passed, and all members of Louisiana's Congressional…

Mark Lamb (R) defeated Daniel Keenan (R) in the Republican primary for Arizona's 5th Congressional District on July 21, 2026. Incumbent Rep. Andy Biggs (R), who was first elected in 2016, ran for governor of Arizona rather than for another term. Keenan led in fundraising, while Lamb led in noteworthy endorsements. As of July 1, 2026, Keenan raised $1,851,302 to Lamb's $1,222,217. In terms of noteworthy endorsements,…

Connie Chan (D) and Scott Wiener (D) are running in the general election for California's 11th Congressional District on Nov. 3, 2026. Incumbent U.S. Rep. Nancy Pelosi (D), who was first elected in 1987, did not run for re-election. California's top-two primary system allows two candidates from the same party to advance to the general election. As a result, this election is one of nine congressional general…

On July 13, U.S. Sen. Gary Peters (D-Mich.), who is not running for re-election this year, endorsed Haley Stevens (D) in the Democratic primary to succeed him in representing Michigan in the U.S. Senate. Peters is the 28th member of the U.S. Congress who is not running for re-election this year to endorse a candidate…

On July 14, 2026, President Pro Tempore Chuck Grassley (R-Iowa) swore Sen. Darline Graham (R-S.C.) into the U.S. Senate, filling the vacancy in South Carolina's class II seat. The vacancy began on July 11, 2026, following the death of Lindsey Graham (R), Darline Graham's brother. South Carolina Gov. Henry McMaster (R) appointed Darline Graham to…