Clinton County, Iowa

Clinton County Treasurer

Johnson and Brown were on the November 3, 2026 ballot. Names follow official Clinton County election filings. Certified results will appear here once the election office certifies the count. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: electionresults.iowa.gov.

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.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Iowa › Clinton County › Clinton County Treasurer

Who won? The official answer comes November 30.

Iowa makes results final in three steps.

✓

Done · Nov 3

Votes were cast and counted

Election night totals are a first count, not the final one.

Happening now · by Nov 10

Clinton County double-checks its count

The county reviews mail ballots, provisional ballots and any recount, then sends official totals to the state.

Next · Nov 30

Iowa makes it official

The State board of canvassers certifies the result. The winner appears on this page that day.

What local news is reporting

Not official yetUpdated November 5, 2026

This report is cited to the outlet that published it. We do not call races. Official running count: Iowa official results.

Clinton County Treasurer

No report found yet

Reports are checked daily until Iowa certifies on November 30; a certified winner replaces the report on that day.

Dustin Johnson

RepublicanIncumbent

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 the ballotIowa Senate District 35

See your full ballot

Voting info and more

Questions about this race

Who is running for Clinton County Treasurer in 2026?

2 candidates were 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.

When is the Clinton County Treasurer election in Iowa?

Election Day was Tuesday, November 3, 2026. Certified results will appear on this page as the election office certifies them. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: https://electionresults.iowa.gov/. Voting 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.

Who won the Clinton County Treasurer race?

Not yet reported by the outlets we checked; Iowa certifies on November 30. We do not call races.

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 the November 3 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