Calvert County, Maryland
Voting in Calvert County, Maryland? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 94,900 people, Calvert County ranks 15th 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
Every eligible adult in Calvert County, Maryland holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Calvert County voters is Maryland's presidential primary on April 25, 2028; local elections can come sooner, so check your local election office. Local work in health care and restaurants and hospitality means debates over health care costs directly affect Calvert County families.
In the 2024 presidential election, about 53,900 ballots were cast in Calvert County, up about 10% from 49,100 in 2020. With roughly 74,700 adults living in the county, that is around 72% of adult residents, above the statewide rate of about 61%.
Put another way, about 20,800 adults in Calvert County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 1,040 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Calvert County covers about 213 square miles, with roughly 445 residents per square mile. The county is home to about 1.5% of Maryland's population.
ZIP codes in or partly in Calvert County include 20610, 20615, 20629, 20639, 20657, 20676, 20678 and 20685, plus 7 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 Calvert County to join you.
Voter Assistance Resources
Questions about voting in Calvert 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 Calvert 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 Calvert 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 Calvert 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
Take the Next Step
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