Caroline County, Maryland
Your guide to voting in Caroline County, Maryland: registration, sample ballots, ID requirements and where to get local help. Home to about 34,200 people, Caroline County is one of the least populous of 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
Why does voting matter in Caroline County? Because every eligible voter here has exactly the same power at the ballot box: one vote. The next election for Caroline County voters is Maryland's presidential primary on April 25, 2028; local elections can come sooner, so check your local election office. With manufacturing and retail among the county's biggest employers, issues like manufacturing jobs are decided by the officials voters choose.
In the 2024 presidential election, about 16,300 ballots were cast in Caroline County, up about 3% from 15,800 in 2020. With roughly 26,700 adults living in the county, that is around 61% of adult residents, close to the statewide rate of about 61%.
Put another way, about 10,400 adults in Caroline County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 522 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
With about 107 residents per square mile over 319 square miles, Caroline County is a place where neighbors often know their local officials. The county is home to about 0.5% of Maryland's population.
ZIP codes in or partly in Caroline County include 21609, 21629, 21632, 21636, 21639, 21640, 21641 and 21643, plus 4 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
Questions about voting in Caroline 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 Caroline 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.
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 Caroline 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 Caroline 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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