Clinton County, Iowa

Clinton County Treasurer

2 candidates are tracked for Clinton County Treasurer on the November 3, 2026 ballot: Dustin Johnson and Joe Brown. Candidate information follows official Clinton County election filings; verify with the official election office linked below.

About this race

Incumbent Dustin Johnson faces Democrat Joe Brown, per the county's official candidate list and elected officials roster. This contest is on the November 3, 2026 ballot.

What this office does

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 Clinton County votes on this seat. The sitting officeholder, Dustin Johnson, is on the ballot.

Iowa › Clinton County › Clinton County Treasurer

Dustin Johnson

Republican Incumbent

Biography

Dustin Johnson is the incumbent Clinton County Treasurer, seeking reelection, per the county's elected officials roster. No campaign website was found as of September 22, 2026.

Joe Brown

Democratic

Biography

Joe Brown appears on the November 3, 2026 ballot for Clinton County Treasurer, per the official candidate list. No campaign website was found as of September 22, 2026.

Next on your ballotIowa Senate District 35

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Voting info and more

Questions about this race

Who is running for Clinton County Treasurer in 2026?

When is the Clinton 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 Clinton 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.

Verify this race

Candidate roster from official Clinton County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Iowa election office, or see the full Clinton County sample ballot and your exact ballot by address.

The rest of your Clinton County ballot

7 tracked races in Clinton County, Iowa. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Iowa House District 69 Iowa House District 70 Clinton County Board of Supervisors (at-large, vote for no more than two)See all 7 Clinton County races

Candidate profiles

Dustin Johnson, full profile Joe Brown, full profile Official Iowa election office