78374 is zip code located in Portland, Texas. The population is 16,609, making 78374 the largest zipcode in Portland and the 9th largest in Nueces County.
There are 6 public schools in 78374 with an average Homefacts rating of B+. The total crime rate for Portland is low , and there are 7 registered sex offenders residing in the zip code 78374. Unemployment in 78374 is very high.