1998 United States Senate election in Iowa

1998 United States Senate election in Iowa

← 1992 November 3, 1998 2004 →
 
Nominee Chuck Grassley David Osterberg
Party Republican Democratic
Popular vote 648,480 289,049
Percentage 68.41% 30.49%

County results
Grassley:      50-60%      60-70%      70-80%      80-90%      >90%

U.S. senator before election

Chuck Grassley
Republican

Elected U.S. Senator

Chuck Grassley
Republican

The 1998 United States Senate election in Iowa was held November 3, 1998. Incumbent Republican United States Senator Chuck Grassley sought re-election to a fourth term in the United States Senate, running against former State Representative David Osterberg, who won the Democratic nomination unopposed. Grassley had not faced a competitive election since 1980; this year proved no different, and Grassley defeated Osterberg in a landslide.