Stewartsville
Census-designated place in Warren County, New Jersey

Stewartsville is an unincorporated community (census-designated place) in Warren County, New Jersey, with 636 residents (2020 Census). It sits at 315 ft (96 m) above sea level. The nearest town is Greenwich, 1.1 miles SW.
- 636residents (2020 Census)
- 315 ftelevation · 96 m
- 1.1 sq miland area · 2.8 km²
- 588 / sq mipopulation density
- 08886ZIP code
About Stewartsville
Stewartsville is an unincorporated community and census-designated place (CDP) located within Greenwich Township in Warren County, in the U.S. state of New Jersey, that was created as part of the 2010 United States census. As of the 2020 census, Stewartsville had a population of 636.
The area is served as United States Postal Service ZIP Code 08886.
The community of Stewartsville was named after Thomas Stewart, a secretary to George Washington, who purchased property in the area in 1793.
Text: Wikipedia · CC BY-SA 4.0
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Living in Stewartsville
- Median household income
- $161,985
- Median home value
- $469,500
- Median age
- 39.7
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Map of Stewartsville
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Open in Google Maps ›Stewartsville, NJ population
Stewartsville had 636 residents in the 2020 Census.
| 2020 Census | 636 |
|---|---|
| Density | 588 per sq mi (227 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Stewartsville at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Warren County |
| Type | Census-designated place |
| Population | 636 (2020) |
| Land area | 1.08 sq mi (2.8 km²) |
| Elevation | 315 ft (96 m) |
| Coordinates | 40.6889° N, 75.1022° W |
| ZIP code | 08886 |
| Census code (GEOID) | 3470800 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Stewartsville
- Greenwich1.1 mi SW
- Upper Stewartsville1.5 mi NW
- Lopatcong Overlook2.3 mi W
- New Village2.4 mi NE
- Bloomsbury2.6 mi SE
- Upper Pohatcong2.9 mi W
- Franklin3.1 mi NE
- Lopatcong3.3 mi NW
- Alpha3.5 mi SW
- Phillipsburg4.0 mi W
- Harmony4.2 mi N
- Broadway4.2 mi NE
Straight-line distance between town centers.
Frequently asked questions about Stewartsville
What county is Stewartsville in?
Stewartsville is in Warren County, New Jersey.
What is the population of Stewartsville, NJ?
636 people lived in Stewartsville at the 2020 Census.
What is the ZIP code of Stewartsville, NJ?
The ZIP code of Stewartsville is 08886.
What is the elevation of Stewartsville?
315 feet (96 m) above sea level.
What towns are near Stewartsville?
Greenwich (1.1 mi), Upper Stewartsville (1.5 mi), Lopatcong Overlook (2.3 mi), New Village (2.4 mi), Bloomsbury (2.6 mi).
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