Who's Running 2028
Updated June 24, 2026
Republican

2028 Republican primary in Colorado

Colorado will hold a 2028 Republican primary or caucus to award its share of delegates. The official 2028 date is not set yet, but here is how Colorado fits the race.

Colorado at a glance

  • Electoral votes10
  • RegionWest
  • CapitalDenver
  • General-election leanSafe Democratic
  • 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.

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.
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, larger states like Colorado (10 electoral votes) carry more delegates than smaller ones.