2020 election for Wyoming's at-large District
U.S. House · Wyoming
Liz Cheney (R) won with 68.6% of the vote, defeating Lynnette Grey Bull (D) by 44.0 points.
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
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020
Polls against the result
- Poll with Bull ahead
- Poll with Cheney ahead
- Result
| Pollster | Dates | Sample | Bull | Cheney | Margin | Adjusted | Miss vs result | Grade | Release |
|---|---|---|---|---|---|---|---|---|---|
| University of Wyoming | Oct 8–Oct 28 | 614 LV | 28 | 58 | R+30 | — | +14.0 | C+ | uwyo.edu ↗ |
| University of Wyoming Survey & Analysis Center | Oct 18 | 614 | 28 | 58 | R+30 | — | +14.0 | C | Wikipedia |
Adjusted: after correcting for the pollster's house effect and likely-voter screens. Miss: the poll's margin minus the result; + means the poll leaned Democratic. Grade: the pollster's accuracy in past elections, A+ to D (pollster ratings).
Source: Each poll's release, via FiveThirtyEight and Wikipedia poll listsUpdated Oct 28, 2020
The candidates
Also on the ballot: Richard Brubaker (Libertarian), 3.7%; Jeffrey Haggit (Constitution), 2.9%