Zip Code | City | Population |
|---|---|---|
| 08873 | Somerset | 55,342 |
| 08844 | Hillsborough | 43,077 |
| 08807 | Bridgewater | 38,585 |
| 07920 | Basking Ridge | 28,460 |
| 08876 | Somerville | 22,531 |
| 07059 | Warren | 16,208 |
| 08805 | Bound Brook | 14,173 |
| 08812 | Dunellen | 14,054 |
| 08502 | Belle Mead | 11,603 |
| 08835 | Manville | 10,892 |
| 08823 | Franklin Park | 9,024 |
| 08869 | Raritan | 8,301 |
| 07924 | Bernardsville | 7,746 |
| 07921 | Bedminster | 7,573 |
| 08558 | Skillman | 7,515 |
| 07069 | Watchung | 6,651 |
| 08853 | Neshanic Station | 5,349 |
| 08880 | South Bound Brook | 4,838 |
| 08836 | Martinsville | 4,023 |
| 07931 | Far Hills | 3,399 |
| 07934 | Gladstone | 1,575 |
| 08553 | Rocky Hill | 794 |
| 07977 | Peapack | 689 |
| 08821 | Flagtown | 514 |
| 07939 | Lyons | 330 |
| 08528 | Kingston | 163 |
| 08890 | Zarephath | 74 |