San Francisco County, California
Everything a San Francisco County, California voter needs in one place: registration, voter ID, absentee and early voting, and your sample ballot. Home to about 828,000 people, San Francisco County ranks 13th 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
Every eligible adult in San Francisco County, California holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for San Francisco County voters is California's presidential primary on March 7, 2028; local elections can come sooner, so check your local election office. Many San Francisco County jobs are in professional and technical services and restaurants and hospitality, so decisions about broadband and innovation and tourism and small businesses hit close to home.
San Francisco County voters cast about 403,000 ballots for president in 2024, down about 9% from 443,000 in 2020. Compared with the county's roughly 721,000 adult residents, that works out to about 56%, above the statewide rate of about 51%.
That means roughly 318,000 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, San Francisco County would add about 15,900 voices, more than enough to decide a close local race.
San Francisco County packs about 17,642 people into each square mile across 47 square miles, so a single precinct can hold thousands of voters. The county is home to about 2.1% of California's population.
ZIP codes in or partly in San Francisco County include 94014, 94102, 94103, 94104, 94105, 94107, 94108 and 94109, plus 30 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 San Francisco County to do the same.
Voter Assistance Resources
Questions about voting in San Francisco 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 San Francisco 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.
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 San Francisco 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 San Francisco 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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