United States Senate – GOP Hold
Charles E. Grassley (R-inc) – 648,480 – 68.41%
David Osterberg (D) – 289,049 – 30.49%
Susan Marcus (NL) – 7,561 – 0.80%
Margaret Trowe (SW) – 2,542 – 0.27%
Scattering – 275 – 0.03%
Total Votes – 947,907 – 100.00%
United States House of Representatives – District 1 – GOP Hold
James A. Leach (R-inc) – 106,419 – 56.54%
Bob Rush (D) – 79,529 – 42.26%
Charles Thurston (Ref.) – 1,252 – 0.67%
Jeffrey M. Smith (NL) – 932 – 0.50%
Scattering – 76 – 0.04%
Total Votes – 188,208 – 100.00%
United States House of Representatives – District 2 – GOP Hold
Jim Nussle (R-inc) – 104,613 – 55.18%
Rob Tully (D) – 83,405 – 44.00%
Peter Lamoureux (NL) – 1,520 – 0.80%
Scattering – 36 – 0.02%
Total Votes – 189,574 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Leonard L. Boswell (D-inc) – 107,947 – 56.89%
Larry McKibben (R) – 78,063 – 41.14%
Charles P. Connolly (Ref.) – 2,180 – 1.15%
Joe Seehusen (NBP) – 1,494 – 0.79%
Scattering – 68 – 0.04%
Total Votes – 189,752 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Greg Ganske (R-inc) – 129,942 – 65.17%
Jon Dvorak (D) – 67,550 – 33.88%
Steven Yellin (NL) – 1,785 – 0.90%
Scattering – 119 – 0.06%
Total Votes – 199,396 – 100.00%
United States House of Representatives – District 5 – GOP Hold
Tom Latham (R-inc) – 132,730 – 99.22%
Scattering – 1,041 – 0.78%
Total Votes – 133,771 – 100.00%