1978Flipped from DemocraticFinal results
1978 election for Wyoming's at-large District
U.S. House · Wyoming
Dick Cheney (R) won with 58.6% of the vote, defeating William D. Bagley (D) by 17.3 points, a seat Democrats won last time.
Dick CheneyRepublican · winner
58.6%75,855
William D. BagleyDemocrat
41.4%53,522
129,377 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET