Monmouth Junction
Census-designated place in Middlesex County, New Jersey

Monmouth Junction is an unincorporated community (census-designated place) in Middlesex County, New Jersey, with 8,895 residents (2020 Census). It sits at 79 ft (24 m) above sea level. The nearest town is Heathcote, 1.5 miles NW.
- 8,895residents (2020 Census)
- 79 ftelevation · 24 m
- 4.4 sq miland area · 11.3 km²
- 2,030 / sq mipopulation density
- 08852ZIP code
About Monmouth Junction
Monmouth Junction is an unincorporated community and census designated place (CDP) in South Brunswick, in Middlesex County, in the U.S. state of New Jersey. As of the 2020 census, the CDP's population was 8,895, up 208% from its population of 2,887 in 2010.
Text: Wikipedia · CC BY-SA 4.0
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Living in Monmouth Junction
- Median household income
- $133,585
- Median home value
- $552,900
- Median rent
- $1,935/mo
- Median age
- 39.9
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Map of Monmouth Junction
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Open in Google Maps ›Monmouth Junction, NJ population
Monmouth Junction had 8,895 residents in the 2020 Census.
| 2020 Census | 8,895 |
|---|---|
| Density | 2,030 per sq mi (784 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Monmouth Junction at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Middlesex County |
| Type | Census-designated place |
| Population | 8,895 (2020) |
| Land area | 4.38 sq mi (11.3 km²) |
| Water area | 0.03 sq mi (0.07 km²) |
| Elevation | 79 ft (24 m) |
| Coordinates | 40.3761° N, 74.5579° W |
| ZIP code | 08852 |
| Census code (GEOID) | 3447190 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Monmouth Junction
- Heathcote1.5 mi NW
- South Brunswick1.9 mi E
- Kendall Park2.6 mi N
- Dayton2.7 mi E
- Princeton Meadows2.8 mi S
- Plainsboro2.9 mi SW
- Deans2.9 mi NE
- Kingston3.0 mi W
- Plainsboro Center3.6 mi SW
- Ten Mile Run3.6 mi NW
- East Rocky Hill4.2 mi NW
- Rocky Hill4.6 mi W
Straight-line distance between town centers.
Frequently asked questions about Monmouth Junction
What county is Monmouth Junction in?
Monmouth Junction is in Middlesex County, New Jersey.
What is the population of Monmouth Junction, NJ?
8,895 people lived in Monmouth Junction at the 2020 Census.
What is the ZIP code of Monmouth Junction, NJ?
The ZIP code of Monmouth Junction is 08852.
What is the elevation of Monmouth Junction?
79 feet (24 m) above sea level.
What towns are near Monmouth Junction?
Heathcote (1.5 mi), South Brunswick (1.9 mi), Kendall Park (2.6 mi), Dayton (2.7 mi), Princeton Meadows (2.8 mi).
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