Westfield, NJ ZIP codes
Westfield, New Jersey has 2 ZIP codes, including 1 PO Box ZIP. They are in Union County.
- Population in these ZIPs
- 31,111
- Avg. median income
- $232,600population-weighted
- Typical home value
- $1,305,600population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Westfield, NJ ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 07090 | Union County | 31,111 | $232,629 | $1,305,600 |
| 07091 PO Box | Union County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Westfield
- Garwood 1 mi
- Cranford 1 mi
- Kenilworth 2 mi
- Mountainside 3 mi
- Clark 3 mi
- Springfield 3 mi
- Roselle Park 3 mi
- Scotch Plains 3 mi
- Roselle 3 mi
- Fanwood 4 mi
- Union 4 mi
- Rahway 4 mi
Frequently asked questions
What county is Westfield, New Jersey in?
Westfield ZIP codes are in Union County.
Which Westfield ZIP codes are PO Boxes?
07091 is a PO Box or single-organization ZIP code; it has no residential delivery area.