Williamson County Elections 2026: Key Dates, Registration & Early Voting
What Round Rock voters need for the November 3, 2026 general election — official dates, tools, and offices only. Updated July 2026.
| Milestone | Date / rule |
|---|---|
| Voter-registration deadline | Monday, October 5, 2026 (30 days before Election Day) |
| Early voting | Early voting for the November 3, 2026 general election is expected to run October 19 – 30; confirm exact dates and locations with your county elections office. |
| Election Day | Tuesday, November 3, 2026 (polls per county hours) |
Check your registration
Confirm you are registered (and your address is current) with the official Texas tool:
Check your registration →Voting by mail
Texas requires an excuse to vote by mail: you may apply only if you are 65 or older, sick or disabled, expecting childbirth within three weeks of Election Day, out of the county during all of early voting and Election Day, or otherwise qualify under state law. The Application for a Ballot by Mail must be RECEIVED by your county early voting clerk by Friday, October 23, 2026 (the 11th day before the election).
Your county election office
Williamson County Elections Department runs the election for Round Rock — polling places, sample ballots, and results. The official Williamson County elections site, with voter registration, vote-by-mail, and polling-place information.
Williamson County elections →