08540 is zip code located in Princeton, New Jersey. The population is 47,204, making 08540 the largest zipcode in Princeton and the largest in Mercer County.
There are 7 public schools in 08540 with an average Homefacts rating of A. The total crime rate for Princeton is very low , and there are 1 registered sex offenders residing in the zip code 08540. Unemployment in 08540 is moderate.