Wyoming has two senators: Cynthia Lummis (R, Class 2) — up in 2026, not seeking re-election — and John Barrasso (R, Class 1) — re-elected in 2024, not up until 2030. The 2026 race is for Lummis's Class 2 seat.
- Open seat: Cynthia Lummis (R, Class 2) announced in December 2025 she will not seek re-election. Race rated Safe Republican.
- Trump won Wyoming by 45.8 points in 2024 (71.6%–25.8%) — the largest Republican presidential margin of any state in the nation.
- John Barrasso (R, Class 1) is NOT up in 2026 — Barrasso was re-elected in November 2024 and serves as Senate Majority Whip. His next election is 2030.
- Wyoming has not elected a Democratic U.S. Senator since Gale McGee in 1976 and has been solidly Republican at the presidential level since 1968.
Key Facts — Wyoming Senate 2026
Historical Results — Wyoming Senate (Class 2)
Note: This table covers the Class 2 seat (Enzi → Lummis). John Barrasso holds the Class 1 seat (last contested 2024). Barrasso is NOT up in 2026.
Wyoming Political Context
The Liz Cheney Precedent
The 2022 Wyoming Republican primary illustrated the state's absolute loyalty to Trump. Liz Cheney, daughter of former Vice President Dick Cheney and a three-term incumbent, was one of ten House Republicans who voted to impeach Trump following January 6, 2021. She lost the Republican primary to Trump-backed Harriet Hageman by 37 points (65.9%–28.9%), one of the most dramatic intraparty defeats of the Trump era. Any Wyoming Republican seeking statewide office must now demonstrate complete alignment with Trump to survive a primary.
Energy Economy = Republican Lock
Wyoming's economy is uniquely dependent on fossil fuel extraction — coal, oil, and natural gas account for a substantial share of state revenue and employment. Wyoming is the largest coal-producing state in the nation. Federal energy policy directly affects Wyoming livelihoods in a way that essentially ensures no Democratic candidate who supports climate regulations, coal phaseouts, or federal land leasing restrictions can win statewide. This structural economic alignment reinforces the state's already deep Republican lean.
Barrasso as Senate Majority Whip
Though Barrasso's Class 1 seat is not up in 2026, his re-election to a fourth term in November 2024 and simultaneous elevation to Senate Majority Whip — the second-ranking position in Republican Senate leadership under Majority Leader John Thune — gives Wyoming outsized influence in Washington relative to its tiny population of under 600,000.
2026 Senate Race Context & National Outlook
The 2026 midterm elections are taking place in an environment shaped by significant economic uncertainty. Trump's Liberation Day tariffs triggered a consumer confidence collapse and PCE inflation surged to 4.5% in Q1 2026. The Trump approval rating stands at 38.1% approve / 59.2% disapprove — among the lowest for any first-year president since modern polling began. The Generic Ballot shows Democrats with a consistent +6.0 advantage, a historically predictive indicator of significant House seat gains.
In the Senate, 33 Class 2 seats are up in 2026. Republicans must defend seats in Georgia, Iowa, North Carolina, Alaska, and Texas, while Democrats defend Nevada, New Hampshire, Michigan, Minnesota, and Virginia. Key battleground races that will determine Senate control include Georgia (Jon Ossoff, D), Iowa (open seat, Ernst retires), Nevada (Jacky Rosen, D), and Alaska (Lisa Murkowski, R). The full Senate map is at the Senate 2026 overview.
Issue-level polling context: The top issues driving 2026 are the economy and tariffs, healthcare, immigration, and Social Security. See the Battleground Tracker for the latest state-level polling and the Trump Policy Tracker for executive action context.
Frequently Asked Questions
Who is running for Senate in Wyoming in 2026?
Wyoming Senate 2026 is an open seat after Cynthia Lummis (R, Class 2) announced in December 2025 she will not seek re-election. Wyoming is a Safe Republican state — Trump won by 45.8 points in 2024, the largest margin in the nation. The Republican nominee is effectively guaranteed to win.
Is John Barrasso running for re-election in Wyoming in 2026?
No. Barrasso holds the Class 1 seat and was re-elected in November 2024 with over 75% of the vote. He serves as Senate Majority Whip and his next election is not until 2030. The 2026 Wyoming race is for Cynthia Lummis's Class 2 seat.
Is Wyoming the most Republican state in the nation?
Yes, consistently. Trump carried Wyoming by 45.8 points in 2024 (71.6%–25.8%), the widest Republican margin in any state. Wyoming has not voted for a Democratic presidential candidate since Lyndon Johnson in 1964 and has not sent a Democrat to the U.S. Senate since Gale McGee was re-elected in 1976.