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).
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.