Carlstadt is a borough in Bergen County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 6,372, an increase of 245 (+4.0%) from the 2010 census count of 6,127, which in turn reflected an increase of 210 (+3.5%) from the 5,917 counted in the 2000 census.
Zip Codes in Carlstadt, NJ that we also serve: 07072