Home > TX > Cameron County > Harlingen > Zip 78550

Zip Code 78550 — Harlingen, TX

78550 is a ZIP Code associated with Harlingen, TX, located within Cameron. The postal region supports an estimated population of 53,335 residents across Data Pending housing units, with a population density of 218.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.254690, -97.664060)

Data MetricLocal Statistic
Postal / Zip Code78550
Primary CityHarlingen
State / ProvinceTX
CountyCameron
Total Population53,335
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density218.6 people/sq mi
TimezoneAmerica/Chicago

How 78550 Compares

MetricZIP 78550Cameron CountyTX State Average
Population53,335425,68430,188,035
Median IncomeData PendingN/AN/A
Population Density218.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78535Combes4.2 mi425N/A
Zip 78552Harlingen6.7 mi42,332N/A
Zip 78569Lyford9.5 mi4,342N/A
Zip 78593Santa Rosa9.8 mi5,455N/A
Zip 78586San Benito10.3 mi50,964N/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 →