Zip Code 78504 — Mcallen, TX

78504 is a ZIP Code associated with Mcallen, TX, located within Hidalgo. The postal region supports an estimated population of 63,094 residents across Data Pending housing units, with a population density of 1,243.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.277580, -98.237280)

Data MetricLocal Statistic
Postal / Zip Code78504
Primary CityMcallen
State / ProvinceTX
CountyHidalgo
Total Population63,094
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,243.3 people/sq mi
TimezoneAmerica/Chicago

How 78504 Compares

MetricZIP 78504Hidalgo CountyTX State Average
Population63,094891,91530,188,035
Median IncomeData PendingN/AN/A
Population Density1,243.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78539Edinburg3.4 mi37,168N/A
Zip 78501Mcallen4.3 mi58,935N/A
Zip 78573Mission4.3 mi44,809N/A
Zip 78503Mcallen8.0 mi22,621N/A
Zip 78577Pharr8.2 mi80,540N/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 →