18951 is zip code located in Quakertown, Pennsylvania. The population is 34,511, making 18951 the largest zipcode in Quakertown and the 6th largest in Bucks County.
There are 11 public schools in 18951 with an average Homefacts rating of A-. , and there are 24 registered sex offenders residing in the zip code 18951. Unemployment in 18951 is moderate.