ZIP code · Rocky Hill · New Jersey · United States
ZIP code 08553 — Rocky Hill
ZIP code 08553 serves Rocky Hill, New Jersey.
- Postal code
- 08553Single source Value from one source, not cross-checked.
- City
- Rocky Hill
- County
- Somerset
- State
- New Jersey
- Country
- United States
- Coordinates
- 40.4010, -74.6400 — precision precise (locality)
View on OpenStreetMap - Population
- 814 (ZCTA, ACS 5-year)
- Median household income
- $127,344
- Median age
- 42.8
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page