Montclair ZIP Codes

List of Zip Codes of Montclair

The following table lists ZIP Codes associated with Montclair, New Jersey, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 07042 40.81382 -74.21775 Essex 27,173 2779.5
2 07043 40.84411 -74.20041 Essex 13,502 2045.6


About Montclair New Jersey Zip Codes

The city of Montclair in New Jersey (NJ) is served by approximately 2 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 40,675 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Montclair fall within county jurisdictions such as Essex. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Montclair, New Jersey follow the America/New_York time zone.