St. Clair County, Alabama
St. Clair County, Alabama voter information: how to register, check your status, see your sample ballot and contact your local election office. Home to about 96,900 people, St. Clair County ranks 16th in population among Alabama's 67 counties. In Alabama, each county's Board of Registrars handles voter registration, and the county probate judge oversees elections.
Next Election
March 7, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register at least 15 days before an election.
Why Voting Matters
Voting is how St. Clair County residents shape the decisions made in their name. The next election for St. Clair County voters is Alabama's primary and presidential preference primary on March 7, 2028; local elections can come sooner, so check your local election office. Many St. Clair County jobs are in manufacturing and retail, so decisions about manufacturing jobs and local businesses hit close to home.
In the 2024 presidential election, about 43,400 ballots were cast in St. Clair County, down about 2% from 44,400 in 2020. With roughly 76,500 adults living in the county, that is around 57% of adult residents, close to the statewide rate of about 55%.
Around 33,100 adults here did not vote for president. Some aren't eligible, yet the rest are untapped power: one more voter in every 20 of them would mean about 1,650 extra St. Clair County ballots, enough to change the result in many close contests.
Across about 632 square miles, St. Clair County averages around 153 people per square mile, mixing neighborhoods, towns and open land. The county is home to about 1.9% of Alabama's population.
ZIP codes in or partly in St. Clair County include 35004, 35052, 35054, 35094, 35112, 35120, 35121 and 35125, plus 13 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 St. Clair County? In Alabama, each county's Board of Registrars handles voter registration, and the county probate judge oversees elections. For registration, polling places, early voting and absentee ballots, contact the St. Clair County Board of Registrars.
Statewide directory, Alabama Secretary of State's Board of Registrars list for all counties:
https://www.sos.alabama.gov/alabama-votes/board-of-registrars-all-counties
See your sample ballot. Alabama Votes, where the Secretary of State posts sample ballots by county:
https://www.sos.alabama.gov/alabama-votes
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 St. Clair 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 Alabama Disabilities Advocacy Program, Alabama's Protection and Advocacy agency, at (205) 348-4928. 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 Alabama 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 St. Clair 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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