Harford County, Maryland
Harford County, Maryland voter information: how to register, check your status, see your sample ballot and contact your local election office. Home to about 266,000 people, Harford County ranks 8th in population among Maryland's 24 counties. In Maryland, each county and Baltimore City has a local board of elections that handles registration, mail-in ballots and voting centers.
Next Election
April 25, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register online or by mail at least 21 days before an election; same-day registration is available during early voting and on Election Day.
Why Voting Matters
In Harford County, the people who show up to vote decide who represents everyone. The next election for Harford County voters is Maryland's presidential primary on April 25, 2028; local elections can come sooner, so check your local election office. Many Harford County jobs are in retail and health care, so decisions about local businesses and health care costs hit close to home.
In the 2024 presidential election, about 149,000 ballots were cast in Harford County, about the same as the 148,000 cast in 2020. With roughly 211,000 adults living in the county, that is around 71% of adult residents, above the statewide rate of about 61%.
That means roughly 61,600 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, Harford County would add about 3,080 voices, more than enough to decide a close local race.
Across about 437 square miles, Harford County averages around 607 people per square mile, mixing neighborhoods, towns and open land. The county is home to about 4.2% of Maryland's population.
ZIP codes in or partly in Harford County include 21001, 21005, 21009, 21010, 21013, 21014, 21015 and 21017, plus 17 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 Harford County to join you.
Voter Assistance Resources
Who runs elections in Harford County? In Maryland, each county and Baltimore City has a local board of elections that handles registration, mail-in ballots and voting centers. For registration, polling places, early voting and absentee ballots, contact the Harford County local board of elections.
Statewide directory, Maryland State Board of Elections' local boards directory:
https://www.elections.maryland.gov/about/county_boards.html
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 Harford 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 Maryland, Maryland's Protection and Advocacy agency, at (443) 692-2492. 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 Maryland 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 Harford 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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