Who's Running 2028
Updated June 24, 2026
Republican Early state

2028 Republican primary in Iowa

Iowa has traditionally held one of the first contests of the nominating season, which gives its 2028 Republican primary or caucus outsized influence. The exact 2028 date and order are not finalized yet.

Iowa at a glance

  • Electoral votes6
  • RegionMidwest
  • CapitalDes Moines
  • General-election leanLikely Republican
  • Calendar positionTraditionally early

See the Iowa general-election outlook.

The Republican field

The candidates Iowa Republican voters would choose among:

Full field and process on the 2028 Republican primary hub.

Quick answers

Iowa 2028 Republican primary FAQ

When is the 2028 Republican primary in Iowa?
The official 2028 date has not been set. Iowa has traditionally voted early in the calendar. 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 Iowa have?
Exact 2028 delegate counts are set by the Republican National Committee (RNC) closer to the election. As a rough guide, larger states like Iowa (6 electoral votes) carry more delegates than smaller ones.