Mariposa County, California
Everything a Mariposa County, California voter needs in one place: registration, voter ID, absentee and early voting, and your sample ballot. Home to about 17,000 people, Mariposa County ranks 53rd in population among California's 58 counties. In California, each county elections office, often called the registrar of voters, handles registration, mails ballots and publishes the county voter information guide with your sample ballot.
Next Election
March 7, 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; conditional same-day registration is available after the deadline.
Why Voting Matters
In Mariposa County, the people who show up to vote decide who represents everyone. The next election for Mariposa County voters is California's presidential primary on March 7, 2028; local elections can come sooner, so check your local election office. Many Mariposa County jobs are in restaurants and hospitality and health care, so decisions about tourism and small businesses and health care costs hit close to home.
About 9,510 people voted for president in Mariposa County in 2024 (down about 8% from 10,300 in 2020). That equals roughly 66% of the county's estimated 14,500 adults, above the statewide rate of about 51%.
Put another way, about 4,960 adults in Mariposa County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 248 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Covering about 1,449 square miles with roughly 12 people per square mile, Mariposa County is the kind of rural community where a few dozen votes can settle a local election.
ZIP codes in or partly in Mariposa County include 93601, 93623, 93653, 95306, 95311, 95318, 95321 and 95325, plus 5 more. Check that your registration is current, look up your sample ballot, and make a plan to vote. Then ask a friend or family member in Mariposa County to do the same.
Voter Assistance Resources
Who runs elections in Mariposa County? In California, each county elections office, often called the registrar of voters, handles registration, mails ballots and publishes the county voter information guide with your sample ballot. For registration, polling places, early voting and absentee ballots, contact the Mariposa County elections office (registrar of voters).
Statewide directory, California Secretary of State's county elections offices list:
https://www.sos.ca.gov/elections/voting-resources/county-elections-offices
See your sample ballot. California county elections offices (your county mails and posts your sample ballot):
https://www.sos.ca.gov/elections/voting-resources/county-elections-offices
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 Mariposa 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 California, California's Protection and Advocacy agency, at (888) 569-7955. 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 California 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 Mariposa 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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