One candidate is tracked for Washington County Treasurer on the November 3, 2026 ballot: Melissa Thornbrugh. Candidate information follows official Washington County election filings; verify with the official election office linked below.
Melissa Thornbrugh (Republican) is the only candidate on the November 3 ballot for Washington County Treasurer, per the State Election Board's candidate filing portal (county filings) and official results. Melissa Thornbrugh was the only Republican to file, so no Republican primary was held. Oklahoma prints unopposed nominees; independents who filed also print.
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 Washington County votes on this seat. The sitting officeholder, Melissa Thornbrugh, is on the ballot. One name is on the ballot for this seat.
Oklahoma › Washington County › Washington County Treasurer
Republican Incumbent
Melissa Thornbrugh appears on the November 3, 2026 ballot for Washington County Treasurer, per the county elections office's certified candidate list. No campaign website was found as of September 7, 2026.
Who is running for Washington County Treasurer in 2026?
One candidate is tracked for Washington County Treasurer on the November 3, 2026 ballot: Melissa Thornbrugh. Candidate information follows official Washington County election filings; verify with the official election office linked below.
When is the Washington County Treasurer election in Oklahoma?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Oklahoma are on the Oklahoma election hub at theballotbrief.com.
How do I see my exact Washington 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 Washington County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Oklahoma election office, or see the full Washington County sample ballot and your exact ballot by address.
7 tracked races in Washington County, Oklahoma. Landed here from another county's search? Look up your own ballot below.