Rocky Hill, New Jersey — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Rocky Hill, Somerset County.
| City | Rocky Hill |
| State | New Jersey (NJ) |
| County | Somerset |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.399828 |
| Longitude | -74.634324 |
| Population | 819 |
| Density | 515.6 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 08553 |
| Area Code | 609, 640 |
| County Seat | Somerville |
| School District | Montgomery Township School District |
Rocky Hill is a locality in Somerset County, New Jersey, United States. It is a small community with a population of 819. The population density is 515.6 people per km². Rocky Hill is located at 40.3998°N, 74.6343°W. It observes the Eastern Time (America/New_York) timezone.
Rocky Hill rests in a fold of the land, where the gentle slopes of central New Jersey begin to hint at the more pronounced contours of the Appalachian foothills. It lies 3.8 miles north-north-east of Princeton, NJ (from Princeton, NJ: bearing 20°T), and is situated 8.5 miles north-east of Mercer. The air here, especially in the late afternoon, carries a softened quality, a subtle warmth that clings to the well-trodden paths and the manicured lawns of its residential streets. Mature trees, maples and oaks mostly, cast long, languid shadows across the neighborhoods, their leaves rustling with a sound that seems to echo the quiet hum of everyday life. The terrain, as its name suggests, is not entirely flat, offering small rises that provide glimpses of distant green expanses and the occasional glint of sunlight on a faraway roof. The history of Rocky Hill is intertwined with the agricultural rhythms of the region, a legacy visible in the remnants of older farmhouses and the enduring presence of open fields that still punctuate the landscape. The local economy, once tethered more directly to the soil, has evolved, now reflecting a blend of small businesses that serve the immediate community and residents who commute to larger employment centers. It’s a place that has seen its share of change, absorbing the influences of nearby urban growth while striving to maintain a distinct, unhurried character. The Stony Brook, a modest waterway, meanders through its periphery, a constant, quiet presence that has witnessed the comings and goings of generations.
Loading news…
Loading news-world…
Loading news-world…
This page provides an interactive Google map of Rocky Hill, New Jersey with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Rocky Hill and Somerset County.
Detailed location data for Rocky Hill includes the ZIP code (08553), telephone area code (609, 640), county seat of Somerset County (Somerville), and school district assignment (Montgomery Township School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Rocky Hill is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |