Iowa U.S. Senate Race 2026

9 candidates have filed with the FEC for a U.S. Senate seat in Iowa in the November 3, 2026 election. Iowa’s sitting senators are Chuck Grassley and Joni Ernst. Voting records, candidates and key dates.

Election Day is Tuesday, November 3, 2026. All 2026 federal races.

Chuck Grassley (Republican) — sitting senator for Iowa

  • Full recorded voting record — most recent 8:
  • Yea — PN1129 (Nomination Confirmed)
  • Yea — PN1129 (Cloture Motion Agreed to)
  • Yea — H.R. 9340 (Cloture on the Motion to Proceed Rejected)
  • Yea — H.R. 7008 (Cloture on the Motion to Proceed Rejected)
  • Nay — S.Res. 852 (Motion to Discharge Rejected)
  • Nay — S.J.Res. 197 (Motion to Proceed Rejected)
  • Yea — S. 4668 (Bill Passed)
  • Nay — On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) (Amendment Rejected)

Joni Ernst (Republican) — sitting senator for Iowa

  • Full recorded voting record — most recent 8:
  • NotVoting — PN1129 (Nomination Confirmed)
  • Yea — PN1129 (Cloture Motion Agreed to)
  • Yea — H.R. 9340 (Cloture on the Motion to Proceed Rejected)
  • Yea — H.R. 7008 (Cloture on the Motion to Proceed Rejected)
  • Nay — S.Res. 852 (Motion to Discharge Rejected)
  • Nay — S.J.Res. 197 (Motion to Proceed Rejected)
  • Yea — S. 4668 (Bill Passed)
  • Nay — On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) (Amendment Rejected)

Candidates who have filed with the FEC (9)

  • Ashley Hinson Arenholz (Republican Party) — FEC: Open seat
  • James Carlin (Republican Party) — FEC: Open seat — carlinforussenate.com
  • Joni K Ernst (Republican Party) — FEC: Incumbent
  • Dr. Thomas Raymond Laehn (Libertarian Party) — FEC: Open seat — laehn4iowa.org
  • Jackie Norris (Democratic Party) — FEC: Open seat
  • Nathan Sage (Democratic Party) — FEC: Open seat — sageforsenate.com
  • James Scholten (Democratic Party) — FEC: Open seat — scholtenforiowa.com
  • Joshua Turek (Democratic Party) — FEC: Open seat — turek4iowa.com
  • Zach P Wahls (Democratic Party) — FEC: Open seat — buildthebarnpac.com

Other Iowa races

Candidate filings come from the Federal Election Commission and cover federal races only. Incumbent and challenger labels are the FEC’s own, as filed. Sitting members are matched to this seat by state and district, never by name — so a candidate listed here is not thereby identified as the office-holder. This corpus does not record which Senate class is on the ballot, so both of Iowa’s senators are listed here and neither is identified as the holder of the contested seat. Data via the ElectedConnect API. Source records are public domain.