Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area ZIP codes
The Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan statistical area (CBSA 37980) covers 11 counties in Delaware, Maryland, New Jersey and Pennsylvania and 531 ZIP codes.
- ZIP codes
- 531
- Population
- 6,259,983
- Avg. median income
- $98,300population-weighted
- Counties
- 11
Click anywhere on the map to see which ZIP code it's in.
Counties in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD area
- Burlington County, NJ
- Camden County, NJ
- Gloucester County, NJ
- Bucks County, PA
- Chester County, PA
- Montgomery County, PA
- Delaware County, PA
- Philadelphia County, PA
- New Castle County, DE
- Cecil County, MD
- Salem County, NJ
ZIP codes in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD area
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
Frequently asked questions
How many ZIP codes are in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area?
531 ZIP codes, based on each ZIP code's main county.
Which counties make up the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD area?
Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Chester County, PA, Montgomery County, PA, Delaware County, PA, Philadelphia County, PA, New Castle County, DE, Cecil County, MD and Salem County, NJ.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).