Linn County, Iowa
Linn County, Iowa voter information: how to register, check your status, see your sample ballot and contact your local election office. Home to about 232,000 people, Linn County ranks 2nd 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
In Linn County, the people who show up to vote decide who represents everyone. The next election for Linn County voters is Iowa's primary election on June 6, 2028; local elections can come sooner, so check your local election office. Local work in manufacturing and health care means debates over manufacturing jobs directly affect Linn County families.
In the 2024 presidential election, about 122,000 ballots were cast in Linn County, down about 4% from 127,000 in 2020. With roughly 182,000 adults living in the county, that is around 67% of adult residents, close to the statewide rate of about 65%.
That means roughly 59,200 adult residents did not cast a presidential ballot. Some are not eligible, but many are, and that is a lot of untapped power. If just one in 20 of them voted, Linn County would add about 2,960 voices, more than enough to decide a close local race.
Linn County covers about 717 square miles, with roughly 323 residents per square mile. The county is home to about 7.1% of Iowa's population.
ZIP codes in or partly in Linn County include 52202, 52205, 52213, 52214, 52218, 52219, 52227 and 52228, plus 28 more. Check that your registration is current, look up your sample ballot, and make a plan to vote. Then ask a friend or family member in Linn County to do the same.
Voter Assistance Resources
Who runs elections in Linn 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 Linn County auditor.
Direct link, Iowa Secretary of State county auditor contact page:
https://sos.iowa.gov/elections/auditors/auditor.asp?CountyID=57&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 Linn 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 Linn 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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