ZIP codes in Hudson County
23 ZIPs touch Hudson County, New Jersey. The blue dashed line is the county border; orange ZIPs reach into it.
23
ZIP codes
0
cross the county line
718,323
people in these ZIPs
21
counties in NJ
Most people
Hudson County ZIP list
More counties in New Jersey
- Burlington County40
- Camden County38
- Cape May County21
- Cumberland County25
- Essex County45
- Gloucester County32
- Hunterdon County33
- Mercer County43
- Middlesex County53
- Monmouth County60
- Morris County64
- Ocean County33
Questions people actually ask
How many ZIP codes are in Hudson County, New Jersey?
23 ZIP codes reach into Hudson County, including 7 PO Box or single-address ZIPs placed by the town they serve. Every ZIP area here lies wholly inside the county.
Which ZIP code in Hudson County has the most people?
07305 (Jersey City) has about 72,161 residents, the most of any ZIP touching Hudson County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Hudson County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Hudson County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from