Hays County, Texas Zip Codes

Zip Code	City	Population
78666	San Marcos	86,530
78640	Kyle	68,265
78610	Buda	44,410
78737	Austin	24,951
78620	Dripping Springs	19,893
78676	Wimberley	15,321
78619	Driftwood	6,067

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.