The 1984 United States House of Representatives election in Wyoming was held on November 6, 1984. Incumbent Representative Dick Cheney defeated Hugh B. McFadden, Jr. with 73.57% of the vote.
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 County results Cheney: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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Democratic primary
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Hugh B. McFadden, Jr. | 29,361 | 73.21% | |
| Democratic | Keith Goodenough | 10,742 | 26.79% | |
| Total votes | 40,103 | 100% | ||
Results
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Dick Cheney (incumbent) | 138,234 | 73.57% | |
| Democratic | Hugh B. McFadden, Jr. | 45,857 | 24.40% | |
| Libertarian | Craig Alan McCune | 3,813 | 2.03% | |
| Total votes | 187,904 | 100% | ||