Starr County, Texas ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
78582Rio Grande City44,741
78584Roma18,464
78548Grulla1,341
78545Falcon Heights392
78536Delmita371
78547Garciasville306
78588San Isidro289
78591Santa Elena158
78585Salineno0

Overview of ZIP Codes in Starr 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.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Starr County, Texas (US Census).

Sources

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

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