Buchanan County, Iowa
Voting in Buchanan County, Iowa? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 20,700 people, Buchanan County ranks 31st 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 Buchanan County, Iowa holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Buchanan 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 10,700 people voted for president in Buchanan County in 2024 (about the same as the 10,800 cast in 2020). That equals roughly 68% of the county's estimated 15,800 adults, close to the statewide rate of about 65%.
Around 5,050 adults here did not vote for president. Some aren't eligible, yet the rest are untapped power: one more voter in every 20 of them would mean about 253 extra Buchanan County ballots, enough to change the result in many close contests.
Buchanan County spans about 571 square miles of small towns and countryside, averaging roughly 36 people per square mile. The county is home to about 0.6% of Iowa's population.
ZIP codes in or partly in Buchanan County include 50607, 50629, 50641, 50644, 50648, 50650, 50651 and 50654, 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
Local election help in Buchanan 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 Buchanan County auditor.
Direct link, Iowa Secretary of State county auditor contact page:
https://sos.iowa.gov/elections/auditors/auditor.asp?CountyID=10&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 Buchanan 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 Buchanan 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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