Marion County, Indiana
Marion County, Indiana voter information: how to register, check your status, see your sample ballot and contact your local election office. Home to about 982,000 people, Marion County is the most populous of Indiana's 92 counties. In Indiana, the county clerk of the circuit court and the county voter registration office run elections.
Next Election
May 2, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register at least 29 days before an election.
Why Voting Matters
Every eligible adult in Marion County, Indiana holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Marion County voters is Indiana's primary election on May 2, 2028; local elections can come sooner, so check your local election office. Many Marion County jobs are in health care and restaurants and hospitality, so decisions about health care costs and tourism and small businesses hit close to home.
About 352,000 people voted for president in Marion County in 2024 (down about 10% from 390,000 in 2020). That equals roughly 47% of the county's estimated 753,000 adults, below the statewide rate of about 54%.
That means roughly 401,000 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, Marion County would add about 20,100 voices, more than enough to decide a close local race.
Marion County packs about 2,477 people into each square mile across 396 square miles, so a single precinct can hold thousands of voters. About 14% of all Indiana residents live here.
ZIP codes in or partly in Marion County include 46037, 46077, 46107, 46113, 46163, 46183, 46201 and 46202, plus 48 more. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Marion County to join you.
Voter Assistance Resources
Who runs elections in Marion County? In Indiana, the county clerk of the circuit court and the county voter registration office run elections. For registration, polling places, early voting and absentee ballots, contact the Marion County election office (circuit court clerk and voter registration office).
Statewide directory, IndianaVoters county election office lookup:
https://indianavoters.in.gov/CountyContact/Index
See your sample ballot. IndianaVoters (Who's on my ballot):
https://indianavoters.in.gov/
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 Marion 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 Indiana Disability Rights, Indiana's Protection and Advocacy agency, at (800) 622-4845. 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 Indiana 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 Marion 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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