Home > TX > Hidalgo County > Mcallen > Zip 78503

Zip Code 78503 — Mcallen, TX

78503 is a ZIP Code associated with Mcallen, TX, located within Hidalgo. The postal region supports an estimated population of 22,621 residents across Data Pending housing units, with a population density of 454.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.162290, -98.251320)

Data MetricLocal Statistic
Postal / Zip Code78503
Primary CityMcallen
State / ProvinceTX
CountyHidalgo
Total Population22,621
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density454.7 people/sq mi
TimezoneAmerica/Chicago

How 78503 Compares

MetricZIP 78503Hidalgo CountyTX State Average
Population22,621891,91530,188,035
Median IncomeData PendingN/AN/A
Population Density454.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78557Hidalgo3.7 mi14,498N/A
Zip 78577Pharr3.8 mi80,540N/A
Zip 78501Mcallen3.8 mi58,935N/A
Zip 78589San Juan5.7 mi40,231N/A
Zip 78572Mission7.0 mi78,024N/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 →