Austin County, Texas ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
77474Sealy15,146
77418Bellville10,171
77485Wallis4,378
78950New Ulm2,300
78944Industry720
78931Bleiblerville185
77473San Felipe49

Overview of ZIP Codes in Austin 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 Austin County, Texas (US Census).

Sources

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

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