How to use this list
Counties are sorted alphabetically. Use ZIP count and population to spot larger counties, then open a county for its ZIP roster and income/housing averages.
New Jersey counties
21 counties · 598 ZIP codes · population 9,267,014 . Select a county to open its ZIP table and local summary.
Related pages
Also see the New Jersey overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| Atlantic County | 25 | 272,775 | $89,473 |
| Bergen County | 66 | 954,717 | $145,177 |
| Burlington County | 33 | 460,002 | $109,564 |
| Camden County | 34 | 538,092 | $91,011 |
| Cape May County | 16 | 96,045 | $99,885 |
| Cumberland County | 19 | 157,774 | $73,128 |
| Essex County | 31 | 855,186 | $120,231 |
| Gloucester County | 26 | 286,206 | $109,505 |
| Hudson County | 16 | 710,478 | $107,031 |
| Hunterdon County | 20 | 132,353 | $137,038 |
| Mercer County | 22 | 393,958 | $112,528 |
| Middlesex County | 36 | 871,399 | $113,613 |
| Monmouth County | 49 | 627,831 | $138,165 |
| Morris County | 50 | 499,633 | $142,266 |
| Ocean County | 29 | 644,819 | $99,289 |
| Passaic County | 27 | 517,129 | $95,093 |
| Salem County | 11 | 66,086 | $93,939 |
| Somerset County | 27 | 325,101 | $157,626 |
| Sussex County | 19 | 146,207 | $118,529 |
| Union County | 26 | 595,145 | $120,335 |
| Warren County | 16 | 116,078 | $109,288 |
Frequently asked questions
- How many counties are listed for New Jersey?
- US5 currently lists 21 counties with published ZIP coverage in New Jersey. Counts can change as geography publishes update.
- What happens when I open a county?
- Each county page shows ZIP totals, income and housing averages, and a ZIP table. From there you can open any ZIP for a full demographics dashboard.