Zip Code 78504 — Mcallen, TX

ZIP Code 78504 is associated with Mcallen, TX, in Hidalgo County. The listed population estimate is 63,094; estimated density is 1,243.3 people per square mile. Among records with population estimates, it ranks #4 of 28 in Hidalgo County and #67 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (26.277580, -98.237280)

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

How 78504 Compares

MetricZIP 78504Hidalgo County recordsTX records
Population estimate63,094891,915 (sum)30,188,035 (sum)
Population Density1,243.3 /sq mi----
County population rank#4 of 28----
State population rank#67 of 1,924----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 78539Edinburg3.4 mi37,168
ZIP 78501Mcallen4.3 mi58,935
ZIP 78573Mission4.3 mi44,809
ZIP 78503Mcallen8.0 mi22,621
ZIP 78577Pharr8.2 mi80,540

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 →