CO House District 1

Diana DeGette (Democrat Party) is the incumbent U.S. Representative for Colorado's 1st congressional district.

Melat KirosD

Candidate for CO House

72SIGNAL

Melat Kiros (Democratic Party) is running for election to the U.S. House to represent Colorado's 1st Congressional District. She is on the ballot in the Democratic primary on June 30, 2026. As of April 2026, Kiros was a former lawyer and Ph.D. student at the University of Colorado Denver School of Public Affairs.

Wanda JamesD

Candidate for CO House

67SIGNAL

Wanda James (Democratic Party) is a member of the University of Colorado Board of Regents, representing District 1. She assumed office on January 5, 2023. Her current term ends in 2029. James (Democratic Party) is running for election to the U.S. House to represent Colorado's 1st Congressional District. She is on the ballot in the Democratic primary on June 30, 2026.

Santiago Palomino (Democratic Party) ran for election to the U.S. House to represent Colorado's 1st Congressional District. He will not appear on the ballot for the Democratic primary on June 30, 2026.

Crisanta Duran (Democratic Party) was a member of the Colorado House of Representatives, representing District 5. She assumed office on January 12, 2011. She left office on January 4, 2019. Duran (Democratic Party) ran for election for Attorney General of Colorado. She will not appear on the ballot for the Democratic primary on June 30, 2026. Duran is a formerDemocraticmember of the Colorado House of Representatives, representing District 5from 2011 to 2019. Duran served asspeaker of the House from 2017 to 2019. She was unable to run for re-election in2018to the Colorado House of Representativesbecause of term limits.

Christopher Oldfield (Democratic Party) ran for election to the U.S. House to represent Colorado's 1st Congressional District. He will not appear on the ballot for the Democratic primary on June 30, 2026.

Amanda Capobianco (Republican Party) ran for election to the U.S. House to represent Colorado's 7th Congressional District. She will not appear on the ballot for the Republican primary on June 30, 2026. Capobianco also ran for election to the Colorado House of Representatives to represent District 1. She will not appear on the ballot for the Republican primary on June 30, 2026.

Gregory Cutlip (Republican Party) ran for election to the U.S. House to represent Colorado's 1st Congressional District. He will not appear on the ballot for the Republican primary on June 30, 2026.

Valdamar Archuleta (Republican Party) ran for election to the U.S. House to represent Colorado's 1st Congressional District. He lost in the general election on November 5, 2024.

Carter Hanson (Democratic Party) ran for election to the U.S. House to represent Colorado's 1st Congressional District. He will not appear on the ballot for the Democratic primary on June 30, 2026.

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Amanda Capobianco (Republican Party) ran for election to the U.S. House to represent Colorado's 7th Congressional District. She will not appear on the ballot for the Republican primary on June 30, 2026. Capobianco also ran for election to the Colorado House of Representatives to represent District 1. She will not appear on the ballot for the Republican primary on June 30, 2026.

Christy PetersonR

Candidate for CO House

55SIGNAL

Christy Peterson (Republican Party) is running for election to the U.S. House to represent Colorado's 1st Congressional District. She is on the ballot in the Republican primary on June 30, 2026.