Register to vote by Jan. 31 to cast ballot in March 1 primary January 19, 2022 - 00:00 Posted in: News The deadline for all eligible Texas voters to make sure they are registered to vote in the Mar. 1 Primary Elections is Jan. 31.Voters registered by Jan. 31 can also participate in Early Voting, which begins Feb. 14 and ends Feb. 25. To register in Colorado County, please visit the ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!