18102 is zip code located in Allentown, Pennsylvania. The population is 48,483, making 18102 the largest zipcode in Allentown and the largest in Lehigh County.
There are 14 public schools in 18102 with an average Homefacts rating of D+. The total crime rate for Allentown is moderate , and there are 1 registered sex offenders residing in the zip code 18102. Unemployment in 18102 is high.