In Kerr County, voting locations are in a number of churches, schools and public locations around town. They change with each election. The Kerr County website lists the location for the next election. https://www.kerrcountytx.gov/voting-in-kerr-county/kerr-county-elections (You may need to scroll down the page a bit)
https://www.vote411.org/texas has lots of useful info and closer to election times, it will show locations.
