100 Largest ZIP Codes in the United States by Population in Willacy County, Texas
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Willacy County, Texas.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 78580 | RAYMONDVILLE | TX | 13,344 |
| 2 | 78569 | LYFORD | TX | 4,133 |
| 3 | 78594 | SEBASTIAN | TX | 1,398 |
| 4 | 78561 | LASARA | TX | 900 |
| 5 | 78590 | SAN PERLITA | TX | 711 |
| 6 | 78598 | PORT MANSFIELD | TX | 108 |