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Iowa's 3rd U.S. House District

Iowa · Next election 2026 · 2 active candidates · $10.8M raisedFederal
About This Office

U.S. House seat for Iowa's 3rd congressional district. Representatives serve two-year terms.

Total Seats
435
Term Length
2 years
Salary
$174,000
Current Officeholders
Rep. Zach Nunn
Rep. Zach NunnR
U.S. Representative · IA-003
Tenure
3y
Bills Spon.
58
Votes Missed
4.81%
Cross-party
212
Committees
Vice ChairNational Security, Illicit Finance and International Financial Institutions Subcommittee
Agriculture Committee
Financial Services Committee
+6 more
The 2026 Race

6 candidates filed, 2 active for the 2026 House election in Iowa District 3. Party primary on Jun 2, 2026. General election on Nov 3, 2026.

Primary
Jun 2, 2026
General
Nov 3, 2026
Total Raised
$10.8M
Candidates
2 active / 6 filed
Incumbent
Zach Nunn (R-IA-3)R
Cash on Hand
$7.4M
Election History
YearWinnerResultRunner-UpTotal Votes
2024Zachary Nunn R51.9%Lanon Baccam D 48.1%411,708
2022Zach Nunn R50.3%Cynthia Axne D 49.7%310,379
2020Cynthia Axne D49.0%David Young R 47.6%447,563
2018Cindy Axne D49.3%David Young R 47.2%356,046
2016David Young R53.5%Jim Mowrer D 39.8%389,838
2014David Young R52.9%Staci Appel D 42.3%281,337
2012Tom Latham R52.3%Leonard L Boswell D 43.7%386,270
2010Leonard L Boswell D50.8%Brad Zaun R 46.6%240,330
2008Leonard L Boswell D56.4%Kim Schmett R 42.1%313,639
2006Leonard L Boswell D51.9%Jeff Lamberti R 46.5%223,082
2004Leonard L Boswell D55.2%Stan Thompson R 44.8%304,106
2002Leonard L Boswell D53.4%Stan Thompson R 45.1%215,910
2000Leonard L Boswell D62.8%Jay Marcus R 33.7%248,814
1998Leonard L Boswell D56.9%Larry Mckibben R 41.2%189,684
1996Leonard L Boswell D49.4%Mike Mahaffey R 47.7%234,798
District
Population
816,359
Median HH Income
$81K
Unemployment
3.9%
Bachelor's+
36.7%
Veterans
5.9%
Median Age
37.3
Mean HH Income
$107K
Poverty Rate
10.3%
HS or Higher
92.7%
Median Home Value
$241K
Median Rent
$1,108/mo
Owner-Occupied
69.3%
Under 18 / 65+
24.4% / 15.7%