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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
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ZIP codes within 10 miles

Rocky Hill, NJ ZIP code list

Rocky Hill, NJ ZIP codes
ZIP codePopulationMedian incomeTypical home value
08553819$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

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.