2020Final results
2020 election for Wyoming Senate District 20
Wyoming State Senate · Wyoming
Ed Cooper (R) won with 85.0% of the vote, defeating Theresa Livingston (D) by 70.4 points.
Ed CooperRepublican · winner
85.0%7,497
Theresa LivingstonDemocrat
14.7%1,293
8,816 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET