Iowa's 3rd Congressional District is represented by Zachary (Zach) Nunn (Republican), who has held the seat since 2023. Nunn has an overall VoteSee report card grade of D, voted in 95% of roll-call votes on bills this Congress, and votes with the Republican majority 88% of the time. The district includes Des Moines, West Des Moines, and Ankeny. It takes in all or part of 21 counties, and 62% of residents live in Polk County. About 816,000 people live in the district, and the median household income is $80,844.
Current Representative
Zachary (Zach) Nunn (Republican) has represented Iowa's 3rd Congressional District since 2023.
VoteSee report card grade: D
Attendance in the 119th Congress: 95% of roll-call votes on bills
Incumbent Zach Nunn is running for re-election. 2 candidates were on the Nov 3, 2026 ballot.
Zach Nunn (Republican), incumbent: raised $6.1M, $621K cash on hand; VoteSee report card D; 95% attendance; votes with the Republican majority 88% of the time
Sarah Trone Garriott (Democratic): raised $8.1M, $1.2M cash on hand
Polls
Fewer than 2 polls ended in the last 30 days, so there is no average.
Members of Congress who previously represented Iowa's 3rd Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.