St. Louis City, Missouri
Everything a St. Louis City, Missouri voter needs in one place: registration, voter ID, absentee and early voting, and your sample ballot. Home to about 280,000 people, St. Louis City ranks 5th in population among Missouri's 115 counties. In Missouri, elections are run by local election authorities: the county clerk in most counties, or a board of election commissioners in several cities and counties.
Next Election
August 8, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register by the fourth Wednesday before an election.
Why Voting Matters
Voting is how St. Louis City residents shape the decisions made in their name. The next election for St. Louis City voters is Missouri's state primary on August 8, 2028; local elections can come sooner, so check your local election office. Local work in health care and restaurants and hospitality means debates over health care costs directly affect St. Louis City families.
In the 2024 presidential election, about 116,000 ballots were cast in St. Louis City, down about 13% from 134,000 in 2020. With roughly 229,000 adults living in the city, that is around 51% of adult residents, below the statewide rate of about 61%.
That means roughly 113,000 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, St. Louis City would add about 5,660 voices, more than enough to decide a close local race.
St. Louis City packs about 4,514 people into each square mile across 62 square miles, so a single precinct can hold thousands of voters. The city is home to about 4.5% of Missouri's population.
ZIP codes in or partly in St. Louis City include 63101, 63102, 63103, 63104, 63105, 63106, 63107 and 63108, plus 30 more. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in St. Louis City to join you.
Voter Assistance Resources
Who runs elections in St. Louis City? In Missouri, elections are run by local election authorities: the county clerk in most counties, or a board of election commissioners in several cities and counties. For registration, polling places, early voting and absentee ballots, contact the St. Louis City local election authority (county clerk or board of election commissioners).
Statewide directory, Missouri Secretary of State elections division:
https://www.sos.mo.gov/elections/
See your sample ballot. Missouri Secretary of State elections division (voter lookup shows sample ballots):
https://www.sos.mo.gov/elections/
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. Louis City 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 Missouri Protection & Advocacy, Missouri's Protection and Advocacy agency, at (573) 893-3333. 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 Missouri 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. Louis City. 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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