Rocky Hill, NJ ZIP code
The ZIP code for Rocky Hill, New Jersey is 08553. It is in Somerset County.
- Population in these ZIPs
- 819
- Avg. median income
- $148,100population-weighted
- Typical home value
- $726,800population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Rocky Hill, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08553 | 819 | $148,056 | $726,800 |
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 near Rocky Hill
- Kingston 1 mi
- Belle Mead 3 mi
- Skillman 4 mi
- Princeton 5 mi
- Franklin Park 5 mi
- Kendall Park 5 mi
- Monmouth Junction 5 mi
- Plainsboro 5 mi
- Hillsborough 7 mi
- Hopewell 7 mi
- Cranbury 8 mi
- Dayton 8 mi
Frequently asked questions
What is the ZIP code for Rocky Hill, NJ?
The ZIP code for Rocky Hill, NJ is 08553.
What county is Rocky Hill, New Jersey in?
Rocky Hill ZIP codes are in Somerset County.