Willacy County, Texas ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
78580Raymondville12,964
78569Lyford4,342
78561Lasara1,457
78594Sebastian1,206
78590San Perlita428
78598Port Mansfield245

Overview of ZIP Codes in Willacy 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Willacy County, Texas (US Census).

Sources

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

Recommended Reading