| Turnout | 77.43% | ||||||||||||||||
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Barrasso: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Trauner: 40–50% 50–60% 60–70% 70–80% No votes | |||||||||||||||||
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| Elections in Wyoming | ||||||||||||
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The2018 United States Senate election in Wyoming took place on November 6, 2018, to elect a member of theUnited States Senate to represent theState of Wyoming. The primary election took place on August 21, 2018.[1]RepublicanJohn Barrasso won re-election with 67% percent of the vote, the lowest percentage of his four U.S. Senate campaigns and the closest aDemocrat has come to winning a seat since the1996 election, and the first time since that election in which Democrats managed to even win counties in the state, those beingTeton andAlbany, and the first time that the Democratic candidate won any counties for this seat since1994. Trauner was the first Democrat to win Teton county in a Senate contest since1940, and the first ever losing Democrat to do so.
In 2012, incumbentRepublicanJohn Barrasso was re-elected with 76% of the vote. Heavily rural, Wyoming has the smallest population of any state and is considered the most Republican state in the nation. It had not elected aDemocratic Senate candidate since1970. In2008, Republican presidential nomineeJohn McCain carried the state with 64% of the vote. RepublicanMitt Romney won it in 2012 with 68% of the vote, and RepublicanDonald Trump won it in 2016 with 67% of the vote.

| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | John Barrasso (incumbent) | 74,292 | 64.76% | |
| Republican | Dave Dodson | 32,647 | 28.46% | |
| Republican | John Holtz | 2,981 | 2.60% | |
| Republican | Charlie Hardy(withdrawn) | 2,377 | 2.07% | |
| Republican | Roque "Rocky" De La Fuente | 1,280 | 1.16% | |
| Republican | Anthony Van Risseghem | 870 | 0.7% | |
| Write-in | 267 | 0.23% | ||
| Total votes | 114,714 | 100% | ||

| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Gary Trauner | 17,562 | 98.90% | |
| Write-in | 195 | 1.10% | ||
| Total votes | 17,757 | 100% | ||
| Source | Ranking | As of |
|---|---|---|
| The Cook Political Report[13] | Safe R | October 26, 2018 |
| Inside Elections[14] | Safe R | November 1, 2018 |
| Sabato's Crystal Ball[15] | Safe R | November 5, 2018 |
| Fox News[16][a] | Likely R | November 5, 2018 |
| CNN[17] | Safe R | November 5, 2018 |
| RealClearPolitics[18] | Safe R | November 5, 2018 |
| Poll source | Date(s) administered | Sample size | Margin of error | John Barrasso (R) | Gary Trauner (D) | Joseph Porambo (L) | Undecided |
|---|---|---|---|---|---|---|---|
| Change Research[19] | November 2–4, 2018 | 858 | – | 60% | 31% | 6% | – |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | John Barrasso (incumbent) | 136,210 | 66.96% | −8.70% | |
| Democratic | Gary Trauner | 61,227 | 30.10% | +8.45% | |
| Libertarian | Joseph Porambo | 5,658 | 2.78% | N/A | |
| Write-in | 325 | 0.16% | -0.01% | ||
| Total votes | 203,420 | 100% | N/A | ||
| Republicanhold | |||||
| John Barrasso Republican | Gary Trauner Democrat | Joseph Porambo Libertarian | Write-ins | Total | |||||
|---|---|---|---|---|---|---|---|---|---|
| County | Votes | % | Votes | % | Votes | % | Votes | % | Votes |
| Albany | 6,366 | 44.15% | 7,576 | 52.54% | 442 | 3.07% | 35 | 0.24% | 14,419 |
| Big Horn | 3,564 | 82.56% | 639 | 14.80% | 102 | 2.36% | 12 | 0.28% | 4,317 |
| Campbell | 11,020 | 84.44% | 1,628 | 12.47% | 387 | 2.97% | 16 | 0.12% | 13,051 |
| Carbon | 3,673 | 70.72% | 1,359 | 26.16% | 156 | 3.00% | 6 | 0.12% | 5,194 |
| Converse | 3,959 | 79.87% | 834 | 16.82% | 153 | 3.09% | 11 | 0.22% | 4,957 |
| Crook | 2,642 | 85.56% | 335 | 10.84% | 110 | 3.56% | 1 | 0.03% | 3,089 |
| Fremont | 9,262 | 64.34% | 4,734 | 32.89% | 380 | 2.64% | 19 | 0.13% | 14,395 |
| Goshen | 3,658 | 76.24% | 1,020 | 21.26% | 115 | 2.40% | 5 | 0.10% | 4,798 |
| Hot Springs | 1,742 | 77.15% | 455 | 20.15% | 58 | 2.57% | 3 | 0.13% | 2,258 |
| Johnson | 3,085 | 79.33% | 722 | 18.57% | 79 | 2.03% | 3 | 0.08% | 3,889 |
| Laramie | 19,473 | 59.72% | 12,167 | 37.31% | 907 | 2.78% | 61 | 0.19% | 32,608 |
| Lincoln | 5,846 | 81.23% | 1,152 | 16.01% | 187 | 2.60% | 12 | 0.16% | 7,197 |
| Natrona | 16,359 | 66.87% | 7,285 | 29.78% | 778 | 3.18% | 42 | 0.17% | 24,464 |
| Niobrara | 980 | 84.56% | 144 | 12.42% | 32 | 2.76% | 3 | 0.26% | 1,159 |
| Park | 8,938 | 75.57% | 2,589 | 21.89% | 276 | 2.33% | 24 | 0.20% | 11,827 |
| Platte | 2,850 | 75.30% | 801 | 21.16% | 131 | 3.46% | 3 | 0.08% | 3,785 |
| Sheridan | 8,318 | 70.46% | 3,205 | 27.15% | 261 | 2.21% | 21 | 0.18% | 11,805 |
| Sublette | 2,653 | 77.87% | 668 | 19.61% | 84 | 2.47% | 2 | 0.06% | 3,407 |
| Sweetwater | 8,577 | 66.11% | 3,943 | 30.39% | 430 | 3.31% | 23 | 0.18% | 12,973 |
| Teton | 3,833 | 32.62% | 7,691 | 65.46% | 220 | 1.87% | 6 | 0.05% | 11,750 |
| Uinta | 4,713 | 75.05% | 1,371 | 21.83% | 188 | 2.99% | 8 | 0.13% | 6,280 |
| Washakie | 2,423 | 77.91% | 588 | 18.91% | 93 | 2.99% | 6 | 0.19% | 3,110 |
| Weston | 2,275 | 84.64% | 321 | 11.94% | 89 | 3.31% | 3 | 0.11% | 2,688 |
Counties that flipped from Republican to Democratic
Official campaign websites