Rock Mill, New Jersey
Rock Mill: a city in Somerset County, New Jersey
About
Rock Mill is a city located in the county of Somerset in the U.S. state of New Jersey.
Quick Facts about Rock Mill
| State | New Jersey (United States) |
| County | Somerset County |
| Latitude & Longitude | 40.4376,-74.7429 |
| Time Zone | America/New_York |
| Local time | 19:47:54 (9th June 2026) |
| Weather | 52℉ Mostly Clear 7-days weather |
Geography
Rock Mill is located at 40°26'15"N 74°44'35"W (40.4376100, -74.7429400).
Rock Mill map
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Weather
52°F
Mostly Clear
0 to 5 mph S
Tonight
Mostly clear, with a low around 52. South wind 0 to 5 mph.
7-Day Forecast
Rockmill
Nearby Schools and Colleges
Schools and campuses linked to Rock Mill, NJ. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 186122 | Princeton Theological Seminary | Princeton (NJ) | 08542-0803 |
| 186131 | Princeton University | Princeton (NJ) | 08544-0070 |
| 186283 | Rider University | Lawrenceville (NJ) | 08648-3099 |
| 187134 | The College of New Jersey | Ewing (NJ) | 08628-7718 |
| 186645 | Raritan Valley Community College | Branchburg (NJ) | 08876 |
Nearby Transit Stations (28)
Rail and bus stations connected to Rock Mill, NJ. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| PJC | Princeton Junction station | 2 Wallace Road | RAIL |
| TRE | Trenton Transit Center | 72 South Clinton Avenue | RAIL |
| NBK | New Brunswick station | French and Albany Streets | RAIL |
| MET | Metropark station | 100 Middlesex-Essex Turnpike | RAIL |
| CWH | Cornwells Heights | 700 Station Ave. | RAIL |
Closest post offices linked to Rock Mill.
| Post Office Name | City | ZIP |
|---|---|---|
| Skillman Post Office | Skillman (NJ) | 08558 |
| Blawenburg Post Office | Blawenburg (NJ) | 08504 |
| Hopewell Post Office | Hopewell (NJ) | 08525 |
| Belle Mead Post Office | Belle Mead (NJ) | 08502 |
| Neshanic Station Post Office | Neshanic Station (NJ) | 08853 |
Other cities in Somerset County
Cities, towns, neighborhoods & other populated places in Somerset County , NJ.
| City Name | Population | Title |
|---|---|---|
| Hillsborough | 40,105 | Township in Somerset county, New Jersey |
| Voorhees | 29,107 | Township in Camden County, New Jersey |
| Montgomery | 23,094 | Township in Somerset County, New Jersey |
| North Plainfield | 21,246 | Borough in Somerset County, New Jersey |
| Somerville | 12,157 | Borough in Somerset County, New Jersey |
| Bound Brook | 10,159 | Borough in Somerset County, New Jersey |
| Manville | 10,046 | Borough in Somerset County, New Jersey |
| Bedminster | 7,949 | Township of New Jersey |
| Raritan | 7,748 | Borough in Somerset County, New Jersey |
| Bernardsville | 7,556 | Borough in New Jersey, United States |
| Watchung | 6,007 | Borough in Somerset County, New Jersey, United States |
| South Bound Brook | 4,518 | Borough in Somerset County, New Jersey |
| Peapack | 2,086 | Human settlement in Somerset County, New Jersey, United States of America |
| Far Hills | 901 | Borough in Somerset County, New Jersey |
| Rocky Hill | 666 | Borough in Somerset County, New Jersey |