Black Hawk County, Iowa
Voting in Black Hawk County, Iowa? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 132,000 people, Black Hawk County ranks 5th 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 Black Hawk County, Iowa holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Black Hawk County voters is Iowa's primary election on June 6, 2028; local elections can come sooner, so check your local election office. Many Black Hawk County jobs are in manufacturing and health care, so decisions about manufacturing jobs and health care costs hit close to home.
Black Hawk County voters cast about 62,700 ballots for president in 2024, down about 6% from 66,600 in 2020. Compared with the county's roughly 105,000 adult residents, that works out to about 60%, below the statewide rate of about 65%.
That means roughly 41,900 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, Black Hawk County would add about 2,100 voices, more than enough to decide a close local race.
Across about 566 square miles, Black Hawk County averages around 234 people per square mile, mixing neighborhoods, towns and open land. The county is home to about 4.1% of Iowa's population.
ZIP codes in or partly in Black Hawk County include 50612, 50613, 50614, 50622, 50623, 50626, 50629 and 50634, plus 13 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
Who runs elections in Black Hawk 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 Black Hawk County auditor.
Direct link, Iowa Secretary of State county auditor contact page:
https://sos.iowa.gov/elections/auditors/auditor.asp?CountyID=7&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 Black Hawk 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 Black Hawk 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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