Home > TX > Starr County > Rio Grande City > Zip 78582

Zip Code 78582 — Rio Grande City, TX

78582 is a ZIP Code associated with Rio Grande City, TX, located within Starr. The postal region supports an estimated population of 44,741 residents across Data Pending housing units, with a population density of 30.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.539370, -98.739850)

Data MetricLocal Statistic
Postal / Zip Code78582
Primary CityRio Grande City
State / ProvinceTX
CountyStarr
Total Population44,741
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density30.6 people/sq mi
TimezoneAmerica/Chicago

How 78582 Compares

MetricZIP 78582Starr CountyTX State Average
Population44,74165,67030,188,035
Median IncomeData PendingN/AN/A
Population Density30.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78591Santa Elena15.0 mi158N/A
Zip 78584Roma15.2 mi18,464N/A
Zip 78547Garciasville16.2 mi306N/A
Zip 78548Grulla18.9 mi1,341N/A
Zip 78536Delmita19.7 mi371N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →