Incumbent Zach Nunn (R) and Lanon Baccam (D) are running in the general election in Iowa’s 3rd Congressional District on Nov. 5, 2024.

Nunn defeated then-incumbent Cindy Axne (D) in 2022 50.3% to 48.9%. As of the Q2 2024 campaign finance reports, Nunn had raised $3.96 million and Baccam had raised $2.71 million. The Democratic Congressional Campaign Committee is targeting the district. As of Jul. 22, 2024, The Cook Political Report with Amy Walter, Decision Desk HQ and The Hill, and Larry Sabato’s Crystal Ball each rated the election Lean Republican and Inside Elections with Nathan Gonzales rated it Tilt Republican.

Nunn is a former state legislator and U.S. Air Force veteran. Nunn says he will “never stop fighting for Iowans’ individual liberties, fiscal discipline, and limited government.” Nunn says he has “passed legislation to rein in skyrocketing inflation, restore American energy independence, and strengthen national security.”

Baccam is an Iowa National Guard veteran and former staff member at the U.S. Department of Agriculture. Baccam says he is running “because he believes all Iowans should have the opportunities afforded to him and his family: access to good-paying jobs, affordable health care, the ability to retire with dignity and protection of women’s reproductive freedoms.”

All 435 U.S. House seats are up for election in 2024. Republicans have a 220 to 212 majority with three vacancies. As of June 2024, 45 members of the U.S. House had announced they were not running for re-election.

Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Donald Trump (R) would have beaten Joe Biden (D) 49.3%-48.9%.