One candidate is tracked for Dubuque County Treasurer on the November 3, 2026 ballot: Michael Clasen. Candidate information follows official Dubuque County election filings; verify with the official election office linked below.
Incumbent Republican Michael Clasen, first elected in 2022, filed unopposed for the June 2, 2026 primary and is the only candidate on the November ballot, per the county auditor's candidate listing.
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 Dubuque County votes on this seat. The sitting officeholder, Michael Clasen, is on the ballot. One name is on the ballot for this seat.
Iowa › Dubuque County › Dubuque County Treasurer
Republican Incumbent
Clasen was elected Dubuque County Treasurer in 2022 and is running unopposed for re-election, per the county auditor's official roster. No campaign website was found as of September 9, 2026; the official roster and election filing is the only verifiable source for Michael Clasen.
Who is running for Dubuque County Treasurer in 2026?
One candidate is tracked for Dubuque County Treasurer on the November 3, 2026 ballot: Michael Clasen. Candidate information follows official Dubuque County election filings; verify with the official election office linked below.
When is the Dubuque County Treasurer election in Iowa?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Iowa are on the Iowa election hub at theballotbrief.com.
How do I see my exact Dubuque 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 Dubuque County and state election office filings, last verified October 2, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Iowa election office, or see the full Dubuque County sample ballot and your exact ballot by address.
10 tracked races in Dubuque County, Iowa. Landed here from another county's search? Look up your own ballot below.