List of All Counties in Texas

There are a total of 254 counties in the state of Texas. Among them, Austin County is the oldest one (established in 1836) while Kenedy County is the youngest (established in 1921).  With population of 4,652,980, Harris County is the most populated. The biggest county by land area is Brewster County (16,040 km²) and the smallest is Rockwall County (386 km²). Below please see all Texas counties which are listed in alphabetical order.

Map of Texas Counties

Map of Texas Counties