SAN ANTONIO -

Monday is the final day to register to vote in the Texas primary election on March 4.

Registration must be delivered to election officials by Monday or postmarked by Feb. 3.

Texas voters will be heading to the polls to cast ballots in Republican or Democratic races for posts ranging from the U.S. Senate to Justice of the Peace races.

Monday also is the deadline for registered voters to update details such as an address.

Early voting runs from Feb. 18 through Feb. 28. Go to votetexas.gov to download an application or register at your local voter registrar's office.