Registered voters in Travis County can vote at any polling location. Voters can cast their ballots as long as they are in line by 7 p.m. The county clerk's website also lists estimated wait times at each polling place.
If no candidate receives 50% of the the vote in a primary race, the top two vote getters will go to a primary runoff election May 26.
The general election between the Republican and Democratic nominees is Nov. 3.
Candidates for Austin City Council and Austin ISD do not participate in the primary elections because their races are nonpartisan.
Early voting turnout in the county was just over 16%, exceeding turnout numbers in both 2016 and 2012.