Wyoming › Sweetwater County › Sweetwater County Treasurer
One candidate is tracked for Sweetwater County Treasurer on the November 3, 2026 ballot: Mark Cowan. Candidate information follows official Sweetwater County election filings; verify with the official election office linked below.
Republican Mark Cowan had no primary opponent, per SweetwaterNOW and Wyo4News. No Democrat or independent filed; Cowan is unopposed on the November 3 ballot.
Republican · Incumbent
Cowan is the sitting Sweetwater County Treasurer, per the county's official Treasurer's office page. He had no primary opponent and is unopposed on the November ballot. No campaign website or questionnaire response was found as of September 7, 2026; the official roster and election filing is the only verifiable source for Mark Cowan.