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.
County treasurer. The county treasurer collects property taxes and other revenue, holds the county's funds, and invests them under state rules. The treasurer distributes tax collections to the county, cities, school districts and special districts that levy them. The office is a custodian of public money, not the body that sets the tax rate.
This race. Every voter in Sweetwater County votes on this seat. The sitting officeholder, Mark Cowan, is on the ballot. One name is on the ballot for this seat.
Wyoming › Sweetwater County › Sweetwater County Treasurer
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 was found as of September 7, 2026; the official roster and election filing is the only verifiable source for Mark Cowan.
Who is running for Sweetwater County Treasurer in 2026?
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.
When is the Sweetwater County Treasurer election in Wyoming?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Wyoming are on the Wyoming election hub at theballotbrief.com.
How do I see my exact Sweetwater County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Candidate roster from official Sweetwater County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Wyoming election office, or see the full Sweetwater County sample ballot and your exact ballot by address.
22 tracked races in Sweetwater County, Wyoming. Landed here from another county's search? Look up your own ballot below.