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2026 candidates we're tracking in CO-4
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Lauren Boebert
Republican
Incumbent
Lauren Boebert is the Republican candidate for Colorado's 4th Congressional District on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. Lauren Boebert is the sitting U.S. Representative for the district, per the …
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Eileen Laubacher
Democratic
Eileen Laubacher is the Democratic candidate for Colorado's 4th Congressional District on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. Laubacher is a retired Navy Rear Admiral who served on the White House Nat…
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Douglas Mangeris
Libertarian
Douglas Mangeris is the Libertarian candidate for Colorado's 4th Congressional District on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. Mangeris is a construction superintendent and firearms dealer running as …
About this race
Colorado's 4th Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Colorado primary is Tuesday, June 30, 2026, and the general election is Tuesday, November 3, 2026.