A total of 75,038 Denton County voters participated in early voting ahead of the March 3 primary election, with 33,672 Democratic and 41,366 Republican ballots cast between Feb. 18 and 28.

Voter turnout increased by less than 1% from the 2016 presidential election. In 2016, 59,718 out of 429,934 registered voters cast ballots, while this year 75,038 out of 535,530 registered voters cast ballots.