12542 is zip code located in Marlboro, New York. The population is 6,234, making 12542 the largest zipcode in Marlboro and the 7th largest in Ulster County.
There are 3 public schools in 12542 with an average Homefacts rating of B-. , and there are 1 registered sex offenders residing in the zip code 12542. Unemployment in 12542 is moderate.