United States House elections in Colorado, 2026 (June 30 Democratic primaries)

	← 2024 ;
	U.S. House elections in Colorado
	Primary date ; June 30, 2026
	General election date ; November 3, 2026
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	2026 U.S. Senate Elections; 2026 U.S. House Elections

Colorado 2026 elections

U.S. Senate • U.S. House • Governor • Lt. Gov • Attorney General • Secretary of State • State executive offices • State Senate • State House • Special state legislative • Supreme court • Appellate courts • State ballot measures • Municipal • Recalls • How to run for office

The U.S. House of Representatives elections in Colorado are scheduled on November 3, 2026. Voters will elect eight candidates to serve in the U.S. House from each of the state's eight U.S. House districts. The primary is June 30, 2026. The filing deadline was March 18, 2026.

Candidate filing deadline	Primary election	General election
March 18, 2026	June 30, 2026	November 3, 2026

A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election.

Colorado utilizes a semi-closed primary system. According to Section 1-7-201 of the Colorado Revised Statutes, "An eligible unaffiliated elector, including a preregistrant who is eligible under section 1-2-101 (2)(c), is entitled to vote in the primary election of a major political party without affiliating with that political party."^[1]^[2]

For information about which offices are nominated via primary election, see this article.

This page focuses on Colorado's Democratic primaries for the U.S. House. For more in-depth information on the state's Republican primaries and the general election, see the following pages:

Candidates and election results

Note: The following list of candidates is unofficial. The filing deadline for this election has passed, and Ballotpedia is working to update this page with the official candidate list. This note will be removed once the official candidate list has been added.