78590 is zip code located in San Perlita, Texas. The population is 308, making 78590 the largest zipcode in San Perlita and the 5th largest in Willacy County.
There are 3 public schools in 78590 with an average Homefacts rating of B-. , and there are 1 registered sex offenders residing in the zip code 78590. Unemployment in 78590 is high.