Wyoming Democrat Byrd Wins Primary in Bid to Challenge GOP Hold on Senate Seat

James Byrd, a former state legislator, secured the Democratic primary nomination Tuesday in Wyoming’s race for an open U.S. Senate seat, defeating rival Billy Benavidez. The contest emerged after Republican incumbent Cynthia Lummis announced in December she would not pursue another term, citing a lack of energy for an additional six-year commitment.

Byrd brings a varied professional background spanning the energy sector as an exploration geophysicist, software development and information technology project management. He served ten years in the Wyoming House of Representatives starting in 2009, where he emphasized bipartisan cooperation within a Republican-dominated chamber.

The Wyoming Senate seat has remained in Republican hands continuously since 1962. Joseph O’Mahoney, the last Democrat to win election to the seat, did so in 1954, while John J. Hickey served as an appointed Democrat from 1961 to November 1962.

Byrd’s campaign centered on Wyoming-focused priorities including public land preservation, maintaining energy sector employment and addressing rural healthcare access. His platform also emphasized criticism of tariff policies affecting agricultural exports and advocated for data center expansion as an economic diversification strategy.

On immigration, Byrd positioned himself toward the moderate wing of his party, supporting enhanced border security and enforcement while opposing family separations and promoting expanded legal immigration pathways. His opponent Benavidez, a former golf course superintendent, campaigned as a libertarian-leaning Democrat advocating term limits and reduced federal authority.