Iowa 2026 midterm elections

Who's running in Iowa's 2026 midterm elections: the U.S. Senate race and all 4 House districts, on Tuesday, Nov. 3, 2026.

Seat	Candidate	vs	Candidate	Status
U.S. Senate Replacing (R) Joni Ernst, retiring	Ashley Hinson (R) Rep., IA-2 · Voting record →	vs	JT Josh Turek (D)	Open seat
1st District (IA-1) Held by (R) Mariannette Miller-Meeks · +1 more	CB Christina Bohannan (D)	vs	Mariannette Miller-Meeks (R) Incumbent · Voting record →	Incumbent running
2nd District (IA-2) Replacing (R) Ashley Hinson, running for U.S. Senate	LJ Lindsay James (D)	vs	JM Joe Mitchell (R)	Open seat
3rd District (IA-3) Held by (R) Zachary (Zach) Nunn	SG Sarah Trone Garriott (D)	vs	Zach Nunn (R) Incumbent · Voting record →	Incumbent running
4th District (IA-4) Replacing (R) Randy Feenstra, lost the primary for Governor of Iowa	DD Dave Dawson (D)	vs	CM Chris McGowan (R)	Open seat

Register to vote in Iowa

Online: Oct. 19 — By 5 p.m.
By mail: by Oct. 19 — By 5 p.m. Mail early; the state doesn't say whether postmark or receipt counts.
In person: Oct. 19 — At the county auditor's office by 5 p.m.

Online registration: Yes

Same-day registration: available, on Election Day. At your polling place, with ID and proof of residence.