Primary Democrats

2026 midterms · Colorado · November 3

Colorado’s 1st District race 2026

Who’s running for U.S. House in Colorado’s 1st District on November 3, 2026: Melat Kiros (D), Christy Peterson (R), Shimon Blau (Independent), Chad Humphrey (Libertarian) and Critter Milton (Unity Party). Open seat, now held by Diana DeGette (D). Forecasters: Solid D (average of 5).

How to vote in Colorado: check your registration on Colorado’s election website · deadlines on Vote.gov for Colorado

Next to a Democrat in Congress, $ backing is their backing from the pro-Israel PACs we track, 2016–2026; $0 backing means none. Tap a name for each PAC by year, with FEC links.

Colorado’s 1st District race 2026 on November 3
RaceRatingDemocratsRepublicansOthers on the ballotNotes
Colorado 1
Solid D
Average of 5; all agree
Each forecaster for Colorado 1
  • Cook Political Report: Solid D (Feb 6, 2025)
  • Sabato's Crystal Ball: Solid D (Apr 10, 2025)
  • Inside Elections: Solid D (Mar 7, 2025)
  • Decision Desk HQ: Solid D (Jul 14, 2026)
  • The Economist: Solid D (May 6, 2026)
Christy Peterson
Shimon Blau (Independent)
Chad Humphrey (Libertarian)
Critter Milton (Unity Party)
Open seat · Now held by Diana DeGette (D)

Help Democrats across Colorado: Colorado Democratic Party · See it on the map (Colorado)

Questions and answers

Who is running for U.S. House in Colorado’s 1st District in 2026?

On the November 3, 2026 ballot: Melat Kiros (D), Christy Peterson (R), Shimon Blau (Independent), Chad Humphrey (Libertarian) and Critter Milton (Unity Party).

When is the 2026 election for U.S. House in Colorado’s 1st District?

Election Day is Tuesday, November 3, 2026.

Who is favored in the 2026 race for U.S. House in Colorado’s 1st District?

The nonpartisan forecasters we track rate it Solid D on average (5 forecasters; they all agree). These are their ratings, not our prediction.

How do I vote in Colorado?

Check your registration on Colorado’s election website and the registration deadlines on Vote.gov; both are linked on this page.

Where this comes from

Candidates as of October 9, 2026, from state election offices, news reports and Ballotpedia’s candidate lists; independent and minor-party candidates may not be complete. Ratings are the average of up to seven nonpartisan forecasters, read from the tables Wikipedia editors keep of them: how we average them and each forecaster’s own pages. Backing is contributions plus outside spending for a candidate by the pro-Israel PACs we track, from FEC filings (method). Results, on election night, only from AP or official sources. Found an error? Tell us.

Photos of members of Congress: official portraits (public domain). Other photos: Melat Kiros: Andra Turner (photo of Melat Kiros), CC BY-SA 4.0.