Likely Republican
Iowa Congressional Districts 2026
Iowa has 4 congressional seats in the US House of Representatives. Most competitive: IA-1 (Cedar Rapids, toss-up), IA-3 (Des Moines, R lean).
4
House Seats
R+8
2024 Presidential
0
Safe D Seats
1
Safe R Seats
Iowa House Districts Overview
| District | Rating | Region / Key Area | 2024 Margin |
|---|---|---|---|
| IA-1 | Toss-Up | Cedar Rapids/Dubuque/NE Iowa | R+2 |
| IA-2 | Republican lean | Iowa City/quad cities | R+5 |
| IA-3 | Republican lean | Des Moines/Ames | R+5 |
| IA-4 | Republican | NW Iowa rural | R+25 |
District Analysis
Iowa has 4 congressional seats, drawn by a nonpartisan legislative agency. IA-1 in eastern Iowa (Cedar Rapids, Dubuque) is often competitive. IA-3 in the Des Moines metro has swung between parties. IA-2 and IA-4 lean Republican.
2026 Race Outlook
Most competitive districts in Iowa for 2026: IA-1 (Cedar Rapids, toss-up), IA-3 (Des Moines, R lean).
The 2026 midterm election will be held on November 3, 2026. Primary elections in Iowa are typically held in the spring or summer of 2026. Candidates begin filing in late 2025 or early 2026, depending on Iowa election law.
Related Pages
Iowa Overview
Polling, ratings, and candidates
Iowa House Races
2026 House race profiles
Iowa Polling History
Historical results by district
House 2026 Tracker
All competitive House races nationally
How House Elections Work
Districts, gerrymandering, and more
Iowa Voting Laws
Voter ID, early voting, registration