Princeton Junction is an unincorporated community and census-designated place located within West Windsor township, Mercer County, in the U.S. state of New Jersey. As of the 2020 census, the CDP's population was 2,475.
Elevation: 60 ft (22 m)
Country: United States
State: New Jersey
County: Mercer
Township: West Windsor
ZIP Codes: 08550 (Princeton Junction) · 08540 (Princeton)
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