Hays County, Texas ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
78666San Marcos88,583
78640Kyle77,531
78610Buda48,319
78737Austin27,023
78620Dripping Springs22,860
78676Wimberley15,822
78619Driftwood6,693

Overview of ZIP Codes in Hays County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Hays County, Texas (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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