
This year’s filing deadline for candidates running for the U.S. House of Representatives in Colorado was March 18, 2026. This year has the second-most contested primaries since 2014. In total, seven primaries — five Democratic and two Republican — are contested this year. In total, there were six contested primaries in 2024, eight in 2022,…

Daniel Keenan (R) and Mark Lamb (R) are running 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, is running for governor of Arizona rather than for another term. Keenan leads in fundraising, while Lamb leads in noteworthy endorsements. As…

Mandela Barnes (D), David Crowley (D), Francesca Hong (D), Sara Rodriguez (D), and three other candidates are running in the Democratic primary for governor of Wisconsin on August 11, 2026. As of June 2026, Barnes, Crowley, Hong, and Rodriguez led in endorsements, polls, and fundraising. Incumbent Tony Evers (D) is not running for re-election. Wisconsin…

Incumbent Karen Bass and Nithya Raman advanced to the Nov. 3 general election after neither received more than 50% of the vote in the June 2 nonpartisan primary for mayor of Los Angeles, California. Bass is the first incumbent to face a runoff since 2005. Of the 14 candidates who ran in the election, Bass,…

Graham Platner (D) defeated David Costello (D) to win the Democratic primary for U.S. Senate in Maine on June 9. Platner will face incumbent Susan Collins (R) in the general election on Nov. 3. Ahead of the primary, the New York Times wrote, "To have any chance of retaking the Senate, Democrats must defeat Ms.…

Incumbents Ken Calvert (R) and Young Kim (R) defeated six other candidates to win the top-two primary for California's 40th Congressional District on June 2, 2026, receiving 35% and 21% of the vote, respectively. Calvert, Kim, Joe Kerr (D), and Esther Kim Varet (D) led in campaign fundraising and polling ahead of the election. Calvert…

Xavier Becerra (D) and Steve Hilton (R) advanced from the top-two primary for governor of California on June 2, 2026. Of the 61 candidates who ran in the election, Becerra, Matt Mahan (D), Katie Porter (D), Tom Steyer (D), Antonio Villaraigosa (D), Chad Bianco (R), and Hilton led in polling and media attention. Incumbent Gov.…

Incumbent David Valadao (R) and Randy Villegas (D) advanced from the top-two primary for California's 22nd Congressional District on June 2, 2026. Jasmeet Bains (D) placed third. The election took place in the context of redistricting, which changed the district lines from those used in 2024. Inside Elections' Nathaniel Rakich said the new lines "would…

Twenty-six states are holding elections for secretary of state in November. While these states hold direct elections for the office, nine out of the 12 states in which the governor or legislature appoints the secretary of state will hold respective gubernatorial or state legislative elections in 2026. In five of those states, the secretary of…

Rob Sand (D), Zach Lahn (R), and Nicholas Gluba (L) are running in the general election for governor of Iowa on November 3, 2026. The Hill's Caroline Vakil said, "While Iowa hasn’t elected a Democrat for governor in two decades, Democrats see an unusually strong candidate in Sand. He is currently the only member of…