1986 United States Senate election in South Dakota
The 1986 United States Senate election in South Dakota was held on November 4, 1986. Incumbent Republican U.S. Senator James Abdnor ran for re-election to a second term, but was defeated by Democrat Tom Daschle.
Daschle: 50–60% 60–70% 70–80% 80–90%
Abdnor: 50-60% 60-70% 70-80%
Despite Abdnor winning the primary by a fairly comfortable margin, it hurt him badly. Daschle was uncontested for the Democratic nomination and therefore was able to focus on the general election early, while Abdnor had to fight a challenge from an incumbent governor. Many political analysts say this was one of the factors in Abdnor's general election loss.
|Republican||James Abdnor (incumbent)||63,414||54.51%|
|Republican||James Abdnor (incumbent)||143,173||48.40%||-9.80%|
|Democratic gain from Republican||Swing|