Riverside County, California
Everything a Riverside County, California voter needs in one place: registration, voter ID, absentee and early voting, and your sample ballot. Home to about 2,530,000 people, Riverside County ranks 4th 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
Why does voting matter in Riverside County? Because every eligible voter here has exactly the same power at the ballot box: one vote. The next election for Riverside County voters is California's presidential primary on March 7, 2028; local elections can come sooner, so check your local election office. Local work in restaurants and hospitality and retail means debates over tourism and small businesses directly affect Riverside County families.
In the 2024 presidential election, about 940,000 ballots were cast in Riverside County, down about 6% from 996,000 in 2020. With roughly 1,939,000 adults living in the county, that is around 49% of adult residents, close to the statewide rate of about 51%.
Put another way, about 998,000 adults in Riverside County sat that election out. Not all of them can vote, but if even 5% of them did, that would be roughly 49,900 more ballots, often more than the margin in races for local councils, school boards, the legislature or Congress.
Across about 7,206 square miles, Riverside County averages around 351 people per square mile, mixing neighborhoods, towns and open land. The county is home to about 6.4% of California's population.
ZIP codes in or partly in Riverside County include 91708, 91752, 91762, 92028, 92201, 92202, 92203 and 92210, plus 96 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 Riverside County to do the same.
Voter Assistance Resources
Local election help in Riverside 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 Riverside 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 Riverside 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 Riverside 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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