State Senator District 18 in Oklahoma State Senate District 18, Oklahoma

2026 Primary Election

• Jack Stewart — Incumbent Oklahoma State Senator in Yukon, OK

  Jack Stewart, an incumbent Republican Oklahoma State Senator for District 18, assumed office in November 2022. Born in 1949 or 1950, he holds a civil engineering degree from Oklahoma State University. His professional background includes 31 years with the Oklahoma Department of Transportation and 12 years as a Canadian County Commissioner. Stewart is running for re-election in 2026 to continue serving his district, focusing on affordability and taxpayer protection, such as a law he spearheaded regarding contractor disputes. His policy positions advocate for defending life, American energy independence, Second Amendment freedoms, secure borders, and championing state infrastructure. Married to Jan with three daughters, he is active in his Yukon community.

• Misty Shannon — Candidate for Oklahoma State Senate in OK

  Misty Shannon is a Republican candidate seeking election to the Oklahoma State Senate, representing District 18. She is participating in the Republican primary scheduled for June 16, 2026. Shannon is challenging incumbent Jack Stewart and fellow Republican Tyler Herring for the nomination. The winner of this primary will advance to the general election on November 3, 2026.

• Tyler Herring — Project Manager in Yukon, OK

  Tyler Herring is a Christian, husband, and father with two decades of experience in manufacturing and metal buildings, where he advanced from entry-level positions to project management. A conservative Republican, he is campaigning for the Oklahoma State Senate to represent District 18, emphasizing a "Real Conservative. Real Worker. America First" platform. Herring aims to give hardworking Oklahoma families a stronger voice. His policy priorities include a back-to-basics education system, protecting homeowners from property tax increases, opposing wasteful spending, and ensuring government lives within its means. He is a 40-year-old resident of Yukon, Oklahoma, and his wife is lobbyist Brittany Adkins-Herring.

• Meredith Mcginnis — Attorney in Yukon, OK

  Meredith McGinnis is a Democratic candidate running for Oklahoma State Senate District 18 in the November 2026 general election, having advanced unopposed from her primary. An attorney by profession, she earned her bachelor's and law degrees from the University of Oklahoma in 2009 and 2012 respectively, after graduating from Putnam City West High School. She is campaigning on strengthening communities, protecting women and children by enhancing support for survivors of domestic violence and sexual assault, improving education, supporting parents and children, expanding mental health access, and advocating for criminal justice reform. McGinnis states she is running to fight for what matters to families and make Oklahoma safer.