Starr County, Texas ZIP Codes
- ZIP records
8 - Cities represented
8 - Sum of listed ZIP population estimates
65,670
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 | 78582 | Rio Grande City | 44,741 |
| 2 | 78584 | Roma | 18,464 |
| 3 | 78548 | Grulla | 1,341 |
| 4 | 78536 | Delmita | 371 |
| 5 | 78547 | Garciasville | 306 |
| 6 | 78588 | San Isidro | 289 |
| 7 | 78591 | Santa Elena | 158 |
Cities in Starr 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.