Zip Code 78590 — San Perlita, TX

ZIP Code 78590 is associated with San Perlita, TX, in Willacy County. The listed population estimate is 428; estimated density is 165.0 people per square mile. Among records with population estimates, it ranks #5 of 6 in Willacy County and #1627 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (26.504010, -97.634860)

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

How 78590 Compares

MetricZIP 78590Willacy County recordsTX records
Population estimate42820,642 (sum)30,188,035 (sum)
Population Density165.0 /sq mi----
County population rank#5 of 6----
State population rank#1627 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 78580Raymondville7.2 mi12,964
ZIP 78569Lyford11.0 mi4,342
ZIP 78598Port Mansfield13.2 mi245
ZIP 78594Sebastian15.1 mi1,206
ZIP 78550Harlingen17.3 mi53,335

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 →