Somerset County, New Jersey ZIP codes
31 ZIP codes are in Somerset County, plus 6 that cross in from neighboring counties. It's part of the New York-Newark-Jersey City, NY-NJ metro area.
- ZIP codes
- 31
- Population in these ZIPs
- 328,603
- Avg. median income
- $154,800population-weighted
- Cities & towns
- 30
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Somerset County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 07059 | Warren | 16,811 | $212,479 | $1,134,900 |
| 07069 | Watchung | 6,623 | $171,705 | $1,079,600 |
| 07920 | Basking Ridge | 28,753 | $192,857 | $928,100 |
| 07921 | Bedminster | 7,700 | $123,104 | $516,600 |
| 07924 | Bernardsville | 7,713 | $236,042 | $1,022,500 |
| 07931 | Far Hills | 2,985 | $201,078 | $1,436,500 |
| 07934 | Gladstone | 1,293 | $245,429 | $1,026,200 |
| 07938 PO Box | Liberty Corner | — | — | — |
| 07939 | Lyons | 322 | — | — |
| 07977 | Peapack | 917 | $150,875 | $870,600 |
| 07978 PO Box | Pluckemin | — | — | — |
| 08502 | Belle Mead | 11,849 | $227,242 | $1,005,800 |
| 08504 PO Box | Blawenburg | — | — | — |
| 08528 | Kingston | 321 | — | $233,500 |
| 08553 | Rocky Hill | 819 | $148,056 | $726,800 |
| 08558 | Skillman | 7,648 | $236,016 | $1,041,200 |
| 08805 | Bound Brook | 14,066 | $93,341 | $531,700 |
| 08807 | Bridgewater | 39,560 | $168,696 | $722,500 |
| 08812 | Dunellen | 14,224 | $118,316 | $583,800 |
| 08821 | Flagtown | 283 | $155,833 | $443,300 |
| 08823 | Franklin Park | 8,884 | $115,597 | $418,000 |
| 08835 | Manville | 10,921 | $93,333 | $475,600 |
| 08836 | Martinsville | 3,855 | $229,726 | $876,200 |
| 08844 | Hillsborough | 44,463 | $153,556 | $671,600 |
| 08853 | Neshanic Station | 5,634 | $220,725 | $866,900 |
| 08869 | Raritan | 8,368 | $107,672 | $539,600 |
| 08873 | Somerset | 56,327 | $124,972 | $570,400 |
| 08875 PO Box | Somerset | — | — | — |
| 08876 | Somerville | 23,380 | $122,884 | $599,400 |
| 08880 | South Bound Brook | 4,867 | $112,961 | $450,900 |
| 08890 | Zarephath | 17 | — | — |
ZIP codes partly in Somerset County
These ZIP codes are mostly in a neighboring county but cover part of Somerset County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 07060 | Plainfield | Union County | 48,363 | $78,602 | $526,800 |
| 07062 | Plainfield | Union County | 15,399 | $98,344 | $496,800 |
| 07063 | Plainfield | Union County | 14,235 | $93,304 | $489,800 |
| 07979 | Pottersville | Hunterdon County | 214 | — | — |
| 08525 | Hopewell | Mercer County | 4,522 | $165,324 | $659,400 |
| 08540 | Princeton | Mercer County | 50,388 | $176,983 | $963,100 |
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 and towns in Somerset County
Nearby counties
Frequently asked questions
How many ZIP codes are in Somerset County, New Jersey?
31 ZIP codes are mainly in Somerset County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Somerset County?
ZIP codes in Somerset County use the city names Basking Ridge, Bedminster, Belle Mead, Bernardsville, Blawenburg, Bound Brook, Bridgewater, Dunellen, Far Hills, Flagtown, Franklin Park and Gladstone and others.
What metro area is Somerset County in?
Somerset County is part of the New York-Newark-Jersey City, NY-NJ metropolitan statistical area.