Home > TX > Hidalgo County > San Juan > Zip 78589

Zip Code 78589 — San Juan, TX

78589 is a ZIP Code associated with San Juan, TX, located within Hidalgo. The postal region supports an estimated population of 40,231 residents across Data Pending housing units, with a population density of 609.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.153490, -98.159790)

Data MetricLocal Statistic
Postal / Zip Code78589
Primary CitySan Juan
State / ProvinceTX
CountyHidalgo
Total Population40,231
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density609.4 people/sq mi
TimezoneAmerica/Chicago

How 78589 Compares

MetricZIP 78589Hidalgo CountyTX State Average
Population40,231891,91530,188,035
Median IncomeData PendingN/AN/A
Population Density609.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78577Pharr2.1 mi80,540N/A
Zip 78516Alamo2.6 mi34,370N/A
Zip 78503Mcallen5.7 mi22,621N/A
Zip 78557Hidalgo6.5 mi14,498N/A
Zip 78537Donna6.5 mi51,426N/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 →