Zip Code 78584 — Roma, TX

78584 is a ZIP Code associated with Roma, TX, located within Starr. The postal region supports an estimated population of 18,464 residents across Data Pending housing units, with a population density of 33.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.562260, -98.984710)

Data MetricLocal Statistic
Postal / Zip Code78584
Primary CityRoma
State / ProvinceTX
CountyStarr
Total Population18,464
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density33.5 people/sq mi
TimezoneAmerica/Chicago

How 78584 Compares

MetricZIP 78584Starr CountyTX State Average
Population18,46465,67030,188,035
Median IncomeData PendingN/AN/A
Population Density33.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78585Salineno7.8 miN/AN/A
Zip 78545Falcon Heights9.7 mi392N/A
Zip 78564Lopeno12.1 mi89N/A
Zip 78582Rio Grande City15.2 mi44,741N/A
Zip 78360Guerra22.7 miN/AN/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 →