DeConcini: 40-50% 50-60% 60-70% 70-80%
The 1988 United States Senate election in Arizona took place on November 8, 1988. Incumbent Democratic U.S. Senator Dennis DeConcini was reelected to a third term. This would be the last victory by a Democrat in a Senate race in Arizona until Kyrsten Sinema's victory in the 2018 election thirty years later.
|Democratic||Dennis DeConcini (Incumbent)||660,403||56.71%||-0.20%|
|New Alliance||Ed Finkelstein||5,195||0.45%|