United States Senate – GOP Gain
Roger W. Jespen (R) 421,598 – 51.13%
Dick Clark (D-inc) 395,066 – 47.91%
Gerald Leo Baker (I) 4,223 – 0.51%
Ben L. Olson (L) 3,689 – 0.45%
Total Votes 824,576 – 100.00%
United States House of Representatives – District 1 – GOP Hold
Jim Leach (R-inc) 79,940 – 63.47%
Richard E. Myers (D) 45,037 – 35.76%
William R. Douglas (S) 978 – 0.78%
Total Votes 125,955 – 100.00%
United States House of Representatives – District 2 – GOP Gain
Tom Tauke (R) 72,644 – 52.27%
Mike Blouin (D-inc) 65,450 – 47.09%
James D. Roberson (I) 884 – 0.64%
Total Votes 138,978 – 100.00%
United States House of Representatives – District 3 – GOP Hold
Chuck Grassley (R-inc) 103,659 – 74.82%
John Knudson (D) 34,880 – 25.18%
Total Votes 138,539 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Neal Smith (D-inc) 88,526 – 64.70%
Charles E. Minor (R) 48,308 – 35.30%
Total Votes 136,834 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Tom Harkin (D-inc) 82,333 – 58.93%
Julian B. Garrett (R) 57,377 – 41.07%
Total Votes 139,710 – 100.00%
United States House of Representatives – District 6 – DEM Hold
Berkley Bedell (D-inc) 87,139 – 66.29%
Willis Edgar Junker (R) 44,320 – 33.71%
Total Votes 131,459 – 100.00%