Updated July 14, 2026
Republican

2028 Republican primary in Colorado

Colorado usually votes after the four traditional early states, often on or after Super Tuesday in early March. Colorado has leaned Democratic in recent presidential elections (it voted Democratic in 2016, Democratic in 2020, and Democratic in 2024), so the Republican primary here is mainly about national delegates rather than a likely November target. The official 2028 Republican primary date and the calendar order are not finalized yet.

Colorado at a glance

  • Electoral votes10
  • RegionWest
  • CapitalDenver
  • General-election leanSafe Democratic
  • 2024 resultHarris (D)
  • 2020 resultBiden (D)
  • 2016 resultClinton (D)
  • Calendar positionMid-to-late (not set)

See the Colorado general-election outlook.

The Republican field

The candidates Colorado Republican voters would choose among:

Full field and process on the 2028 Republican primary hub.

Why Colorado matters in the 2028 Republican race

Colorado leans Democratic in November, so the Republican primary here is less about a fall target and more about adding to a candidate's national delegate count on the road to the nomination.

Recent presidential results in Colorado: it voted Democratic in 2016, Democratic in 2020, and Democratic in 2024. Compare the 2028 nomination odds and the latest 2028 primary polls.

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Quick answers

Colorado 2028 Republican primary FAQ

When is the 2028 Republican primary in Colorado?
The official 2028 date has not been set. Colorado typically votes after the early states, often around Super Tuesday or later. Check back as the calendar is confirmed.
How does Colorado usually vote in presidential elections?
Colorado voted Democratic in 2016, Democratic in 2020, and Democratic in 2024. Analysts currently rate it Safe Democratic for 2028. See the full Colorado general-election outlook for detail.
Who is running in the 2028 Republican primary?
As of June 2026 no candidate has formally declared. The most-discussed Republican contenders include JD Vance, Marco Rubio, Ron DeSantis, Dan Greaney.
How many delegates does Colorado have?
Exact 2028 delegate counts are set by the Republican National Committee (RNC) closer to the election. As a rough guide, states with more delegates than Colorado (10 electoral votes) carry more delegates than smaller ones.
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