Willacy County, Texas ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
20,642
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 78580 | Raymondville | 12,964 |
| 2 | 78569 | Lyford | 4,342 |
| 3 | 78561 | Lasara | 1,457 |
| 4 | 78594 | Sebastian | 1,206 |
| 5 | 78590 | San Perlita | 428 |
| 6 | 78598 | Port Mansfield | 245 |
Cities in Willacy County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.