78504 is zip code located in Mcallen, Texas. The population is 49,605, making 78504 the 2nd largest zipcode in Mcallen and the 7th largest in Hidalgo County.
There are 15 public schools in 78504 with an average Homefacts rating of C+. The total crime rate for Mcallen is very low , and there are 83 registered sex offenders residing in the zip code 78504. Unemployment in 78504 is very high.