Warren County New Jersey Zip Codes

Cities in

Below are a list of the cities located in Warren County, NJ. There are 18 total unique zip codes in Warren County, New Jersey. The time zone for Warren County is the Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 34041.

The population in Warren County, NJ is currently 110,731. That is an increase of 1.85% vs the population of 108,692 in 2010.


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