There are 9 zip codes in Gonzales County, Texas. The most populated is 78629, located in Gonzales. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
78629Gonzales12,054
78140Nixon3,889
78959Waelder1,601
78632Harwood1,188
78159Smiley587
78614Cost302
78122Leesville207
78658Ottine78
78677Wrightsboro12

Gonzales County, Texas Zip Codes by Population (2024)