County · GEOID 48427
Starr County, TX ZIP codes
11 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Starr County (GEOID 48427). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 71,824 (11 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Starr County, TX ZIP code map

ZIP/ZCTA overlap with Starr County
Population overlap
Share of each ZIP/ZCTA’s population located within Starr County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 78536100.0%
Directory county
- 7854583.9%
Directory county
- 78547100.0%
Directory county
- 78548100.0%
Directory county
- 785634.5%
- 78582100.0%
Directory county
- 78584100.0%
Directory county
- 78585100.0%
Directory county
- 78588100.0%
Directory county
- 78591100.0%
Directory county
- 785951.1%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Starr County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 78536 | Delmita | Starr County | 345 | $29,327 |
| 78545 | Falcon Heights | Starr County | 490 | $22,407 |
| 78547 | Garciasville | Starr County | 398 | $11,114 |
| 78548 | Grulla | Starr County | 1,456 | $37,212 |
| 78563 | Linn | Hidalgo County | 62 | $67,639 |
| 78582 | Rio Grande City | Starr County | 44,883 | $41,452 |
| 78584 | Roma | Starr County | 17,823 | $30,134 |
| 78585 | Salineno | Starr County | 0 | — |
| 78588 | San Isidro | Starr County | 246 | $86,458 |
| 78591 | Santa Elena | Starr County | 163 | $33,188 |
| 78595 | Sullivan City | Hidalgo County | 5,958 | $48,304 |