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Sen. Joni Ernst’s announcement this month that she won’t seek re-election to the seat she’s held since 2014 opened the door for more candidates — both Republicans and Democrats — to announce campaigns.

It can be difficult for voters to keep up.

Here’s what we know about who’s running for Iowa’s U.S. Senate seat, who’s not running, and who’s dropped out of the race.

Iowa’s primary election is June 2, 2026, and the general election is Nov. 3, 2026.

Here’s who’s running for U.S. Senate

The field of candidates who’ve announced they’re seeking their party’s nomination stands at seven.

Democrats:

Bob Krause, of Burlington, a former state legislator and president of the Veterans National Recove

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