
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,…

Two Republican incumbents lost in the Montana Senate primaries on June 2. This was the first year since 2010 in which more than one incumbent lost in the chamber's primaries. At the start of Montana's 2025 state legislative session, nine Republican senators voted with the chamber's Democrats to change procedural rules for the session. In…

The Louisiana State Legislature referred a constitutional amendment related to the expropriation of property by foreign adversaries to the Nov. 3, 2026, statewide general election ballot. Legislators passed the amendment on May 21, 2026. In Louisiana, a two-thirds (66.67%) vote is required during a single session to place a constitutional amendment on the ballot. That…

This year's filing deadline for candidates running for the U.S. House of Representatives in Utah was March 13, 2026. These elections are the first to take place since Third District Court Judge Dianna Gibson struck down the congressional map the Utah Legislature adopted in 2021 in League of Women Voters v. Utah State Legislature. Gibson…

Incumbent Ed Case (D), Della Au Belatti (D), Jarrett Keohokalole (D), and two other candidates are running in the Democratic primary for Hawaii's 1st Congressional District on August 8, 2026. The filing deadline is June 2, 2026. As of May 2026, Case, Belatti, and Keohokalole led in fundraising and local media attention. Spectrum Local News'…

Incumbent John Larson (D), Luke Bronin (D), Jillian Gilchrest (D), and three other candidates are running in the Democratic primary for Connecticut's 1st Congressional District on August 11, 2026. The filing deadline is June 9, 2026. As of May 2026, Larson, Bronin, and Gilchrest led in endorsements, fundraising, and local media attention. At the May…

Thirty-six South Carolina state legislative incumbents face primary contests in 2026, a 29% decrease from the number that faced challengers in 2024. Twelve of the contested incumbents are Democrats, and 24 are Republicans. All of them are state representatives, as no state senators were up for election. South Carolina has 59 contested state legislative primaries…

Two Maine state legislative incumbents face primary contests in 2026, the fewest at any point since 2018. This is a 67% decrease in the number of incumbents facing challengers compared to 2024. Both of the contested incumbents are Republican state representatives. Maine has 28 contested state legislative primaries in 2026, up 56% from 2024. Of…

Incumbent Shri Thanedar (D), Donavan McKinney (D), and four other candidates are running in the Democratic primary for Michigan's 13th Congressional District on August 4, 2026. As of May 2026, Thanedar and McKinney led in endorsements, fundraising, and local media attention. Local radio station WDET's Russ McNamara said Thanedar is "facing a difficult primary opponent,…

This year’s filing deadline for candidates running for the U.S. House of Representatives in Pennsylvania was March 10, 2026. Rep. Summer Lee (D) is the only incumbent running in a contested primary this year. That's the fewest number of incumbents running in a contested primary since 2014. There were three incumbents in contested primaries in…