1986Final results
1986 election for Wyoming Governor
Governor · Wyoming
Mike Sullivan (D) won with 54.0% of the vote, defeating Peter Simpson (R) by 7.9 points.
Mike SullivanDemocrat · winner
54.0%88,879
Peter SimpsonRepublican
46.0%75,841
164,720 votes
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET