United States House of Representatives – District 1 – DEM Gain
Abby Finkenauer (D) – 170,342 – 50.96%
Rod Blum (R-inc) – 153,442 – 45.91%
Troy Hageman (L) – 10,285 – 3.08%
Write-Ins – 174 – 0.05%
Total Votes – 334,243 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Dave Loebsack (D-inc) – 171,446 – 54.79%
Christopher Peters (R) – 133,287 – 42.60%
Mark Strauss (L) – 6,181 – 1.98%
Daniel Clark (I) – 1,837 – 0.59%
Write-Ins – 162 – 0.05%
Total Votes – 312,913 – 100.00%
United States House of Representatives – District 3 – DEM Gain
Cindy Axne (D) – 175,642 – 49.30%
David Young (R-inc) – 167,933 – 47.14%
Bryan Holder (L) – 7,267 – 2.04%
Mark Elworth Jr. (Legal Marijuana Now) – 2,015 – 0.57%
Paul Knupp (G) – 1,888 – 0.53%
Joe Grandanette (I) – 1,301 – 0.37%
Write-Ins – 195 – 0.05%
Total Votes – 356,241 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Steve King (R-inc) – 157,676 – 50.50%
J. D. Scholten (D) – 147,246 – 47.16%
Charles Aldrich (L) – 6,161 – 1.97%
Edward Peterson (I) – 1,962 – 0.63%
Write-Ins – 201 – 0.06%
Total Votes – 312,251 – 100.00%