Princeton, NJ ZIP Codes, Coordinates & Counties

Princeton, New Jersey has 2 ZIP codes in Mercer county. The approximate center of Princeton is 40.358, -74.658. Princeton has about 110,149 known street addresses.

ZIP codes
2
Counties
1
State
New Jersey (NJ)
Coordinates
40.358, -74.658
Mapped addresses
110,149

ZIP codes in Princeton, NJ

ZIP CodeCountyLatitudeLongitude
08540 Mercer 40.363 -74.656
08542 Mercer 40.353 -74.66

Counties Princeton spans

Mercer

Most common streets in Princeton

Alexander, State, Carnegie, Lawrence, West, Barclay, Nassau, Palmer, Prospect, Cherry Hill

Frequently asked questions

What ZIP codes are in Princeton, NJ?

Princeton, New Jersey has 2 ZIP codes, ranging from 08540 to 08542. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Princeton, NJ in?

Princeton is in Mercer county.

What are the latitude and longitude of Princeton, NJ?

The approximate center of Princeton, New Jersey is latitude 40.358, longitude -74.658. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Princeton, NJ have?

Princeton has 2 ZIP codes.

How many addresses are in Princeton, NJ?

Princeton, New Jersey has about 110,149 known street addresses in the sthan.io US address database.

What are the most common streets in Princeton, NJ?

Some of the most common street names in Princeton are Alexander, State, Carnegie, Lawrence, West, Barclay.

What cities are near Princeton, NJ?

Cities near Princeton include Kingston (3 mi), Rocky Hill (3 mi), Plainsboro (4 mi), Skillman (5 mi), Belle Mead (6 mi).

Cities near Princeton

Kingston, NJ (3 mi) Rocky Hill, NJ (3 mi) Plainsboro, NJ (4 mi) Skillman, NJ (5 mi) Belle Mead, NJ (6 mi) Lawrence Township, NJ (6 mi) Monmouth Junction, NJ (6 mi) Princeton Junction, NJ (6 mi)

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Last updated: June 2026 · Data: sthan.io US address database