
New congressional maps remain possible in at least three states – Wisconsin, Maryland, and New York – ahead of the 2028 elections, after the Colorado Supreme Court blocked a set of competing ballot measures that would have redrawn the state's map for that cycle. On June 29, the Colorado Supreme Court ruled against five congressional…

Victor Marx (R) defeated Scott Bottoms (R), Barbara Kirkmeyer (R), and Kelvin Wimberly (write-in) in the Republican primary for governor of Colorado on June 30, 2026. Incumbent Gov. Jared Polis (D) was term-limited. Bottoms, Kirkmeyer, and Marx led in fundraising and media attention. Axios Denver's John Frank wrote that the candidates were ideologically divided. Frank…

In Colorado, the International Order of T. Roosevelt submitted signatures to the secretary of state on July 8, 2026, to qualify an initiative for the ballot to create a constitutional amendment protecting the right to hunt and fish. The initiated constitutional amendment — Initiative 302 — would establish the right of the people to hunt,…

The Colorado General Assembly adjourned its 2026 regular session on May 13 after passing eight election-related bills. Gov. Jared Polis (D) signed all eight bills between April and June. Among those bills was HB 1113, an omnibus bill making a number of changes to Colorado’s election laws. Those changes included: The Senate approved the final…

Jena Griswold (D) defeated Hetal Doshi (D), Michael Dougherty (D), and David Seligman (D) in the Democratic primary for Colorado Attorney General on June 30, 2026. Incumbent Phil Weiser (D) was term-limited and ran for governor. Axios' John Frank said the primary had a "packed field of top-tier candidates and ... unusually high stakes of…

In Colorado, signatures were submitted to the secretary of state on June 24, 2026, for a ballot initiative related to the right to purchase and sell natural gas to homes and businesses. More specifically, the measure — referred to as Initiative 177 — would add a new section to Article XVIII of the Colorado Constitution…

In 2026, 15% of the state legislative incumbents running for election in Colorado will face primary contests, a record high since 2010. In total, nine incumbents face contested primaries across the Colorado House and Senate. The average number of incumbents contested each year from 2010 to 2024 was five. Six of the contested incumbents are…

Voters in Colorado will decide on a ballot measure that would require vehicle-related and fuel tax revenue to be used for road transportation on Nov. 3, 2026. Initiative 175 The measure — known as Initiative 175 — would add a new section to Article X of the Colorado Constitution to require the state and local…

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,…

In Colorado, signatures were submitted to the secretary of state on May 26, 2026, for a ballot initiative related to funding road transportation expenses. More specifically, the measure — referred to as Initiative 175 — would add a new section to Article X of the Colorado Constitution to require both the state and local governments…