Key facts
- 74 US House members departed, the most since 1992, with many retiring or running for other offices.
- 11 sitting House Democrats lost their primaries to newcomers or other incumbents.
- Four House Democrats were unseated by candidates with ties to the Democratic Socialists of America (DSA).
- Donald Trump's endorsements were successful in nearly 97% of congressional and gubernatorial races.
- Thomas Massie lost his Kentucky congressional primary after Trump campaigned against him.
- Aipac's Super Pac spent over $30 million in the Michigan Senate primary but failed to defeat Abdul El-Sayed.
The conclusion of the US primary season reveals significant shifts within both major parties, with left-wing candidates making notable gains in Democratic races and Donald Trump demonstrating considerable influence over Republican selections. The outcomes set the stage for the November midterms, which will determine control of Congress.
The House of Representatives is poised for a reshaped Congress in 2027, with 74 members departing, the highest number since 1992. Of the representatives seeking re-election, 11 lost their primaries, including seven Democrats. Four of these Democrats were unseated by candidates aligned with the Democratic Socialists of America (DSA). Notable DSA victories include Darializa Avila Chevalier defeating Adriano Espaillat, Brad Lander ousting Dan Goldman, Claire Valdez winning to replace Nydia Velazquez, Melat Kiros unseating Diana DeGette, and Donovan McKinney beating Shri Thanedar. Chris Rabb, a DSA-endorsed candidate, expressed that these wins demonstrate a "different way" for the party.
However, anti-incumbent sentiment among Democrats had limits, as DSA member Cori Bush failed in her challenge against Wesley Bell, and Ed Case fended off a left-wing challenger. Moderate candidates, supported by groups like the New Democrat Coalition and the Blue Dogs, are seen as crucial for Democrats to win control of the House and Senate in toss-up districts.
Donald Trump exerted his influence as a "kingmaker," with nearly 97% of his endorsed candidates winning their primaries. His endorsements played a role in the ousting of Senators Bill Cassidy and John Cornyn. However, Trump's preferred candidate in Texas faces a slight deficit against the Democratic nominee, James Talarico.
The American Israel Public Affairs Committee (Aipac), through its United Democracy Project Super Pac, engaged in several primaries, achieving wins such as Ed Gallrein's defeat of Massie and Bell's defense against Bush. However, Aipac failed to prevent Abdul El-Sayed's victory in the Michigan Senate primary despite significant spending.