Llano County, Texas ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
78639Kingsland8,719
78657Horseshoe Bay7,591
78643Llano7,088
78609Buchanan Dam1,983
78672Tow570
76885Valley Spring142
78607Bluffton118
76831Castell0

Overview of ZIP Codes in Llano 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Llano County, Texas (US Census).

Sources

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

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