12520 is zip code located in Cornwall On Hudson, New York. The population is 3,110, making 12520 the largest zipcode in Cornwall On Hudson.
There are 0 public schools in 12520 with an average Homefacts rating of A-. The total crime rate for Cornwall On Hudson is very low , and there are 0 registered sex offenders residing in the zip code 12520. Unemployment in 12520 is moderate.