100 Largest ZIP Codes in the United States by Population in Starr 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 Starr County, Texas.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 78582 | RIO GRANDE CITY | TX | 44,988 |
| 2 | 78584 | ROMA | TX | 17,721 |
| 3 | 78548 | GRULLA | TX | 1,384 |
| 4 | 78545 | FALCON HEIGHTS | TX | 444 |
| 5 | 78536 | DELMITA | TX | 404 |
| 6 | 78547 | GARCIASVILLE | TX | 358 |
| 7 | 78591 | SANTA ELENA | TX | 270 |
| 8 | 78588 | SAN ISIDRO | TX | 124 |