Gonzales County, Texas Zip Codes

Zip Code	City	Population
78629	Gonzales	12,054
78140	Nixon	3,889
78959	Waelder	1,601
78632	Harwood	1,188
78159	Smiley	587
78614	Cost	302
78122	Leesville	207
78658	Ottine	78
78677	Wrightsboro	12

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