Home > TX > Cameron County > Harlingen > Zip 78550

Zip Code 78550 — Harlingen, TX

ZIP Code 78550 is associated with Harlingen, TX, in Cameron County. The listed population estimate is 53,335; estimated density is 218.6 people per square mile. Among records with population estimates, it ranks #4 of 16 in Cameron County and #119 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (26.254690, -97.664060)

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

How 78550 Compares

MetricZIP 78550Cameron County recordsTX records
Population estimate53,335425,684 (sum)30,188,035 (sum)
Population Density218.6 /sq mi----
County population rank#4 of 16----
State population rank#119 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 78535Combes4.2 mi425
ZIP 78552Harlingen6.7 mi42,332
ZIP 78569Lyford9.5 mi4,342
ZIP 78593Santa Rosa9.8 mi5,455
ZIP 78586San Benito10.3 mi50,964

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 →