The majority of those younger than 45, especially millennial and generation Z, voted for Bernie Sanders, the survey shows. About 64% of voters between 18-29 years old voted for Sanders, who won Bexar County but not Texas. Biden won Texas with 34% of the vote, while Sanders won nearly 30%, as of 2:20 p.m. Wednesday with 99% of polling locations reporting. For Texas men, 35% voted for Sanders and 33% voted for Biden. Click here for the latest Bexar County and Texas election results.