is an unincorporated area and neighborhood within Montclair in Essex County, New Jersey, United States. The area is served as United States Postal Service ZIP code 07043. It is often misperceived, even by Montclair residents, to be a separate town from Montclair, perhaps aided by this postal designation.
As of the United States 2000 Census, the population for ZIP Code Tabulation Area 07043 was 11,915.
Upper Montclair is northern Montclair, which is usually reckoned as everything north of Watchung Avenue. Upper Montclair takes up approximately one third of Montclair, New Jersey