Rocky Hill ZIP Codes

List of Zip Codes of Rocky Hill

The following table lists ZIP Codes associated with Rocky Hill, New Jersey, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

About Rocky Hill New Jersey Zip Codes

The city of Rocky Hill in New Jersey (NJ) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 814 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Rocky Hill fall within county jurisdictions such as Somerset. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Rocky Hill, New Jersey follow the America/New_York time zone.