
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…

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.…

Scott Bottoms (R), Barbara Kirkmeyer (R), Victor Marx (R), and Kelvin Wimberly (write-in) are running in the Republican primary for governor of Colorado on June 30, 2026. Incumbent Gov. Jared Polis (D) is term-limited. Bottoms, Kirkmeyer, and Marx lead in fundraising and media attention. As of June 9, 2026, The Cook Political Report with Amy…

This year’s filing deadline for candidates running for the U.S. House of Representatives in Arizona was March 23, 2026. This year has the second-fewest number of candidates running for the U.S. House since 2014. Twenty-seven candidates — 16 Democrats and 11 Republicans — are running for Arizona’s nine congressional districts. That’s three candidates per district.…

This year’s filing deadline for candidates running for the U.S. House of Representatives in Missouri was March 31, 2026. These are the first elections to take place since the Missouri General Assembly passed a new congressional map. The Missouri House of Representatives passed it on Sept. 9, 2025. The Missouri Senate passed it on Sept.…

This year’s filing deadline for candidates running for the U.S. House of Representatives in New York was April 6, 2026. This year had the third-highest number of candidates who ran for the U.S. House since 2014. Eighty-nine candidates — 59 Democrats and 30 Republicans — are running for New York’s 26 congressional districts. That’s 3.4…

Rep. Frederica Wilson (D-Fla.) announced on May 29, 2026, that she will not seek re-election to the U.S. House of Representatives in 2026. In a statement, Wilson said, “Today, I announced that I will not seek re-election to Congress, but I am not retiring. My life’s work is entering a new chapter. I will take…

Josh Turek (D) defeated Zach Wahls (D) in the Democratic primary for the U.S. Senate in Iowa on June 2, 2026. Incumbent Sen. Joni Ernst (R) did not run for re-election. The Cook Political Report's Jessica Taylor described this race as one of the 2026 primaries in which Democrats debated about what type of candidate…