Starr County ZIP Codes

List of ZIP Codes in Starr County

The following table lists ZIP Codes associated with Starr County, Texas, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 78536 26.6432 -98.44369 Delmita 345 3.0
2 78547 26.30868 -98.69723 Garciasville 398 81.7
3 78548 26.27654 -98.65527 Grulla 1,456 75.2
4 78582 26.53937 -98.73985 Rio Grande City 44,883 30.7
5 78584 26.56226 -98.98471 Roma 17,823 32.3
6 78585 26.4856 -99.07737 Salineno 0 0.0
7 78588 26.73966 -98.39852 San Isidro 246 2.6
8 78591 26.65351 -98.53408 Santa Elena 163 0.4


About Starr County ZIP Codes

Starr County in Texas (TX) is served by approximately 8 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 65,314 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Starr County are located in cities such as Rio Grande City, Roma, Grulla, Garciasville, Delmita. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Starr County, Texas follow the America/Chicago time zone.