Clinton County, Iowa
Your guide to voting in Clinton County, Iowa: registration, sample ballots, ID requirements and where to get local help. Home to about 46,000 people, Clinton County ranks 12th in population among Iowa's 99 counties. In Iowa, the county auditor is the county's commissioner of elections and handles registration, absentee ballots and polling places.
Next Election
June 6, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register online or by mail at least 15 days before an election; you can also register in person, including on Election Day.
Why Voting Matters
Voting is how Clinton County residents shape the decisions made in their name. The next election for Clinton County voters is Iowa's primary election on June 6, 2028; local elections can come sooner, so check your local election office. With manufacturing and health care among the county's biggest employers, issues like manufacturing jobs are decided by the officials voters choose.
About 23,800 people voted for president in Clinton County in 2024 (down about 4% from 24,700 in 2020). That equals roughly 66% of the county's estimated 36,200 adults, close to the statewide rate of about 65%.
Put another way, about 12,400 adults in Clinton County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 620 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Clinton County spans about 695 square miles of small towns and countryside, averaging roughly 66 people per square mile. The county is home to about 1.4% of Iowa's population.
ZIP codes in or partly in Clinton County include 52037, 52060, 52064, 52069, 52070, 52207, 52254 and 52309, plus 16 more. Take two minutes to confirm your registration, preview your ballot with the links on this page, and decide when and how you will vote. Bring a neighbor along.
Voter Assistance Resources
Local election help in Clinton County: In Iowa, the county auditor is the county's commissioner of elections and handles registration, absentee ballots and polling places. For registration, polling places, early voting and absentee ballots, contact the Clinton County auditor.
Direct link, Iowa Secretary of State county auditor contact page:
https://sos.iowa.gov/elections/auditors/auditor.asp?CountyID=23&btnGo=Go
Statewide directory, Iowa Secretary of State's county auditor list:
https://sos.iowa.gov/elections/voterinformation/index.html
See your sample ballot. Iowa Secretary of State general election page (sample ballots come from your county auditor):
https://sos.iowa.gov/general-election
You can also preview a personalized ballot at Vote411.org.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Clinton County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Disability Rights Iowa, Iowa's Protection and Advocacy agency, at (800) 779-2502. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our Iowa voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Clinton County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
Take the Next Step
Find volunteer opportunities, visit the voting resources page, or shop sustainable products.
Buy the book that led to the creation of this website: Peace is Active by Tom McCann
Share what you’re doing for peace on social media with #peaceisactive