Voting Information – Missouri

Election Date: Tuesday, November 4, 2025
This is a public election date in Missouri. Voters will have the opportunity to vote for their next State Senator, along with other local ballot measures and races.

Are you registered to vote?

Missouri residents can register to vote in person at:

Your village, city, or township clerk

Any Missouri Department of Revenue license office. You can register to vote when you obtain or renew your drivers license or state identification card at any of the license facilities.

 Deadline to Register: Wednesday, October 8, 2025

You can register online, by mail (postmarked by Oct. 8), or in person at your local election authority.

When to re-register

Your registration is permanent unless you move or change your name.

Address changes

If you move within St. Louis County, update your registration by re-registering or mailing your new address (written on the back of your voter ID card) to the St. Louis County Election Board

If you move outside the County, you must re-register with your new local election authority

Name changes

Voters who legally change their name, but not their address, do not have to re-register. If you have changed your name, you can vote after updating your information at the polls.

Where do I vote?

On Election Day, you’ll vote at your assigned polling place, typically a nearby public building such as a school, library, or community center.
📞 For assistance, contact the St. Louis County Election Board at (314) 615-1800 or visit their website.

🗺️ Interactive Polling Place Map

The St. Louis County Board of Elections Mapping Department offers a detailed, interactive map showing polling places by district. You can:

•             Search by address

•             View district boundaries

•             Click on map points to see polling place details

•             Export or print your map view for outreach or planning

Explore it on the Polling Places Map

 

🏛️ St. Louis County Election Board

📍 Main Office Location:

St. Louis County Board of Elections

725 Northwest Plaza Drive

St. Ann, MO 63074

📞 Phone: (314) 615-1800

🕒 Hours: Monday–Friday, 8:00 AM–4:30 PM

This is your go-to spot for voter registration, absentee ballots, election questions, and in-person voting during early voting periods.

 

🔍 Additional Resources

You can also check your registration status, view sample ballots, and confirm your polling place through the St. Louis County Library’s Elections Resource Page.