Princeton Junction
Census-designated place in Mercer County, New Jersey

Princeton Junction is an unincorporated community (census-designated place) in Mercer County, New Jersey, with 2,475 residents (2020 Census). It sits at 72 ft (22 m) above sea level. The nearest town is Plainsboro Center, 1.7 miles E.
- 2,475residents (2020 Census)
- 72 ftelevation · 22 m
- 1.8 sq miland area · 4.7 km²
- 1,358 / sq mipopulation density
- 08536ZIP code
About Princeton Junction
Princeton Junction is an unincorporated community and census-designated place (CDP) 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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Princeton Junction
- Median household income
- $224,732
- Median home value
- $709,800
- Median rent
- $1,661/mo
- Median age
- 44.3
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Map of Princeton Junction
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Open in Google Maps ›Princeton Junction, NJ population
Princeton Junction had 2,475 residents in the 2020 Census.
| 2020 Census | 2,475 |
|---|---|
| Density | 1,358 per sq mi (524 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Princeton Junction at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Mercer County |
| Type | Census-designated place |
| Population | 2,475 (2020) |
| Land area | 1.82 sq mi (4.7 km²) |
| Water area | 0.03 sq mi (0.08 km²) |
| Elevation | 72 ft (22 m) |
| Coordinates | 40.3231° N, 74.6218° W |
| ZIP code | 08536 |
| Census code (GEOID) | 3460960 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Princeton Junction
- Plainsboro Center1.7 mi E
- West Windsor2.3 mi S
- Plainsboro2.4 mi NE
- Princeton Meadows3.1 mi E
- Princeton3.4 mi NW
- Kingston4.1 mi N
- Monmouth Junction5.0 mi NE
- Heathcote5.2 mi NE
- Cranbury5.4 mi E
- Rocky Hill5.4 mi N
- Lawrence5.5 mi W
- Windsor5.7 mi SE
Straight-line distance between town centers.
Frequently asked questions about Princeton Junction
What county is Princeton Junction in?
Princeton Junction is in Mercer County, New Jersey.
What is the population of Princeton Junction, NJ?
2,475 people lived in Princeton Junction at the 2020 Census.
What is the ZIP code of Princeton Junction, NJ?
The ZIP code of Princeton Junction is 08536.
What is the elevation of Princeton Junction?
72 feet (22 m) above sea level.
What towns are near Princeton Junction?
Plainsboro Center (1.7 mi), West Windsor (2.3 mi), Plainsboro (2.4 mi), Princeton Meadows (3.1 mi), Princeton (3.4 mi).
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