78516 is zip code located in Alamo, Texas. The population is 36,724, making 78516 the largest zipcode in Alamo and the 10th largest in Hidalgo County.
There are 12 public schools in 78516 with an average Homefacts rating of B-. The total crime rate for Alamo is moderate , and there are 78 registered sex offenders residing in the zip code 78516. Unemployment in 78516 is high.