Home > TX > Willacy County > San Perlita > Zip 78590

Zip Code 78590 — San Perlita, TX

78590 is a ZIP Code associated with San Perlita, TX, located within Willacy. 78590 ranks #5 out of 6 ZIP codes in Willacy County by population (and #1627 out of 1,990 in TX). The area supports an estimated population of 428 residents across Data Pending housing units, with a population density of 165.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (26.504010, -97.634860)

Data MetricLocal Statistic
Postal / Zip Code78590
Primary CitySan Perlita
State / ProvinceTX
CountyWillacy
Total Population428
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density165.0 people/sq mi
TimezoneAmerica/Chicago

How 78590 Compares

MetricZIP 78590Willacy CountyTX State Average
Population42820,642 (Total)30,188,035 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density165.0 /sq mi----
County Pop Rank#5 of 6----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78580Raymondville7.2 mi12,964N/A
Zip 78569Lyford11.0 mi4,342N/A
Zip 78598Port Mansfield13.2 mi245N/A
Zip 78594Sebastian15.1 mi1,206N/A
Zip 78550Harlingen17.3 mi53,335N/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 →