Iowa Congressional Delegation: 4 Representatives, 2 Senators
Embed this widgetLast updated: 2026-07-05
House Delegation
4
U.S. Representatives
4 Republicans
Senate Delegation
2
U.S. Senators
2 Republicans
State Highlights
- Chuck Grassley is Iowa's longest-serving current member of Congress — in office since 1975 (51 years total).
- In the 2024 presidential election, Trump carried Iowa by 13.2 points.
- Joni Ernst is on the ballot for re-election in 2026.
Iowa has 4 representatives in the U.S. House. Iowa is represented by 2 U.S. Senators: Chuck Grassley (Republican) and Joni Ernst (Republican). Senators serve 6-year terms and representatives serve 2-year terms — see term end dates and election timing for each seat below.
Learn more about congressional term lengths, the Senate class schedule, or the upcoming 2026 election cycle.
Up for Election in 2026
Joni Ernst (Republican) is up for re-election in 2026. All 4 Iowa U.S. House seats are also on the ballot, since House terms are 2 years.
