AUSTIN — The deadline to register for the March 3 Primary Election is Monday, Feb. 2. “The deadline to register in time for the primary election is quickly approaching,” said Texas Secretary of State Jane Nelson. Texans who have recently changed their name or moved can update their voter registration online through Texas.gov. Voter registration in Texas is county-based, so contact your county voter registrar for specific questions regarding the status of your voter registration. Election Day is March 3.