United Way of Tarrant County is accepting applications for the position of president and chief executive officer. Learn who can vote in Texas, how to check if you're registered, register to vote in Texas, and prepare for voting day.Arlington resident Leigh Ann Schenk casts a ballot during a voting system test Sept. Tarrant County residents can start voting as soon as Oct. 21, when the 12-day early voting period starts. Official website of the U.S. Department of Justice (DOJ).