County · New Jersey · United States
Passaic County ZIP codes
28 ZIP codes · 17 cities · FIPS 34031
Key facts
- State
- New Jersey (NJ)
- FIPS code
- 34031
- Population
- 518,289
- Median household income
- $87,137
- Median age
- 38.1
- Land area
- 186 sq mi (481.8 km²)
- Population density
- 2,786 / sq mi
- Area codes
- 201, 551, 862, 973
Cities and ZIP codes in Passaic County (17)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.