100 Smallest ZIP Codes in the United States by Population in Willacy County, Texas
Explore the 100 smallest 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 | 78598 | PORT MANSFIELD | TX | 108 |
| 2 | 78590 | SAN PERLITA | TX | 711 |
| 3 | 78561 | LASARA | TX | 900 |
| 4 | 78594 | SEBASTIAN | TX | 1,398 |
| 5 | 78569 | LYFORD | TX | 4,133 |
| 6 | 78580 | RAYMONDVILLE | TX | 13,344 |