Waller County is a county in the U.S. state of Texas. As of the 2010 census, the population was 43,205. Its county seat is Hempstead. The county was named for Edwin Waller, a signer of the Texas Declaration of Independence and first mayor of Austin.
Waller County is included in the Houston-The Woodlands-Sugar Land, TX Metropolitan Statistical Area. It is home of the Prairie View A&M University.
Wikipedia https://en.wikipedia.org/wiki/Waller_County,_Texas
Coordinates 30°5'34.616" N -96°4'50.357" E