Ed Case defeats progressive challenger in Hawaii Democratic primary

Aug 8, 2026

Moderate Democratic Representative Ed Case secured a decisive victory in Hawaii's 1st Congressional District primary on August 8, 2026, defeating progressive state Senator Jarrett Keohokalole by over 20 percentage points. Case successfully leveraged his seniority on the House Appropriations Committee to counter Keohokalole's progressive platform, which focused on limiting Israel aid and rejecting corporate donations. The result bucks a national trend of progressive primary victories in states like New York and Colorado.

Case primary victory over Keohokalole

▪Three other Democratic primary candidates ran in Hawaii's 1st Congressional District, splitting approximately 4% of the remaining vote.
▪Representative Ed Case will face Republican nominee Adriel Lam, who ran unopposed in his primary, in the November 2026 general election.
▪Incumbent Democratic Representative Ed Case defeated progressive state Senator Jarrett Keohokalole in the August 8, 2026, primary election for Hawaii's 1st Congressional District.
▪Representative Ed Case won the primary election with 57% to 60% of the vote, while state Senator Jarrett Keohokalole received 34% to 36% of the vote.

Progressive versus moderate Democratic divide

▪State Senator Jarrett Keohokalole accused Representative Ed Case of failing to aggressively oppose the Trump administration's immigration policies and criticized his past support for voter identification legislation.
▪State Senator Jarrett Keohokalole campaigned as a progressive change agent, calling for expanded government healthcare, limiting aid to Israel, and rejecting corporate campaign donations.

Case Appropriations Committee seniority

▪Representative Ed Case highlighted his membership in the bipartisan House Problem Solvers Caucus and the center-left New Democrat Coalition during his primary campaign.
▪Representative Ed Case emphasized his seniority and membership on the House Appropriations Committee, arguing that Hawaii would attract fewer federal dollars if he were not reelected.

National progressive primary trend

▪In New York's June 23, 2026, primaries, progressive candidates Claire Valdez, Brad Lander, and Darializa Avila Chevalier won their races, with Lander and Chevalier defeating incumbent Representatives Dan Goldman and Adriano Espaillat.
▪No sitting member of Congress from Hawaii has ever lost a primary challenge, though Representative Ed Case himself lost a 2006 Senate primary challenge against incumbent Senator Daniel Akaka.
▪Representative Ed Case's victory bucked a national trend of progressive primary successes in 2026, which included victories by Abdul El-Sayed in Michigan and Melat Kiros in Denver.

Hawaii crossover primary voting

▪Representative Ed Case acknowledged that state Senator Jarrett Keohokalole spoke to the concerns of a solid chunk of the electorate and stated his job is to encompass those voters in his representation.
▪Hawaii's primary system allows independent and Republican voters to cast ballots in Democratic primary contests, providing potential crossover support for moderate candidates like Representative Ed Case.