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Iowa's 3rd Congressional District (IA-3)
Iowa's 3rd Congressional District is represented by Zachary Nunn (R), in office since 2023. One of 4 House seats in Iowa; on the ballot November 3, 2026 like every House seat.
Data as of September 21, 2026. Boundaries from the U.S. Census Bureau (119th Congress).
Quick Answer
- Representative
- Zachary Nunn (R) — since 2023
- Term Ends
- January 3, 2027 — 99 days
- Next Election
- November 3, 2026 — rated Toss-up
- Iowa Primary
- June 2, 2026
- Senators
- Chuck Grassley (R), Joni Ernst (R)
- Land Area
- 10,673 sq mi
Who Represents IA-3?
Republican · in office since 2023 · 3 yrs in Congress · term ends January 3, 2027
Committees: Agriculture Committee, Financial Services Committee, Select Committee on China
Voting record this session: cast 304 of 314 roll calls (96.8% participation), with the Republican majority on 96% of party-divided votes. Full record →
Iowa's two senators, who represent the whole state including this district: Chuck Grassley R and Joni Ernst R.
Map of IA-3
Iowa's 3rd Congressional District within Iowa. Current boundaries — the lines used to elect the 119th Congress.
IA-3 in the 2026 Election
Every House seat is on the ballot on November 3, 2026, IA-3 included. Iowa held its primary on June 2, 2026. Sabato's Crystal Ball (Sept. 10, 2026) rates the race Toss-up, a Republican-held seat.
Districts Bordering IA-3
Computed from the shared boundaries in the Census geometry. 2 in Iowa.
- IA-1 — Mariannette Miller-Meeks R
- IA-4 — Randy Feenstra R
Frequently Asked Questions
Who is the representative for Iowa's 3rd Congressional District?
Zachary Nunn (Republican) represents IA-3 as of September 21, 2026. In office since 2023; current term ends January 3, 2027.
When is the next election for IA-3?
November 3, 2026 — every House seat is up every two years. Iowa's primary was June 2, 2026. Sabato's Crystal Ball (Sept. 10, 2026) rates the race Toss-up.
How many congressional districts does Iowa have?
4, under the 2020 census apportionment in effect until 2033. IA-3 is the 3rd of them. See the full Iowa delegation at congresscountdown.com/states/iowa.
Who are the senators for IA-3?
Senators represent the whole state, so IA-3's senators are Iowa's: Chuck Grassley (R) and Joni Ernst (R).
Related Resources
Who Is My Representative?
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What Is a Congressional District?
How districts are drawn, redistricting, apportionment, and finding your district.
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Live balance of power — the Senate map, what each party needs, and results as races are called.