Harrison County, Iowa
Voting in Harrison County, Iowa? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 14,600 people, Harrison County ranks 53rd 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
Every eligible adult in Harrison County, Iowa holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Harrison County voters is Iowa's primary election on June 6, 2028; local elections can come sooner, so check your local election office. With health care and wholesale trade among the county's biggest employers, issues like health care costs are decided by the officials voters choose.
In the 2024 presidential election, about 7,940 ballots were cast in Harrison County, down about 3% from 8,160 in 2020. With roughly 11,500 adults living in the county, that is around 69% of adult residents, above the statewide rate of about 65%.
Put another way, about 3,560 adults in Harrison County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 178 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Covering about 697 square miles with roughly 21 people per square mile, Harrison County is the kind of rural community where a few dozen votes can settle a local election. The county is home to about 0.5% of Iowa's population.
ZIP codes in or partly in Harrison County include 51523, 51529, 51530, 51545, 51546, 51550, 51555 and 51556, plus 9 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
Questions about voting in Harrison 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 Harrison County auditor.
Direct link, Iowa Secretary of State county auditor contact page:
https://sos.iowa.gov/elections/auditors/auditor.asp?CountyID=43&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.
To ask a question or report a problem at the polls, call or text Election Protection at 866-OUR-VOTE (866-687-8683), a free nonpartisan hotline. For help in Spanish call 888-VE-Y-VOTA (888-839-8682); for Asian languages call 888-API-VOTE (888-274-8683).
Voters with disabilities in Harrison 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 Harrison 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
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