Upper Stewartsville
Census-designated place in Warren County, New Jersey

Upper Stewartsville is an unincorporated community (census-designated place) in Warren County, New Jersey, with 329 residents (2020 Census). It sits at 417 ft (127 m) above sea level. The nearest town is Lopatcong Overlook, 1.4 miles SW.
- 329residents (2020 Census)
- 417 ftelevation · 127 m
- 0.3 sq miland area · 0.9 km²
- 942 / sq mipopulation density
- 08865ZIP code
About Upper Stewartsville
Upper 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 defined as part of the 2010 United States census. As of the 2020 census, Upper Stewartsville had a population of 329.
Text: Wikipedia · CC BY-SA 4.0
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Living in Upper Stewartsville
- Median household income
- $250,001
- Median home value
- $405,600
- Median age
- 56.2
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Map of Upper Stewartsville
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Open in Google Maps ›Upper Stewartsville, NJ population
Upper Stewartsville had 329 residents in the 2020 Census.
| 2020 Census | 329 |
|---|---|
| Density | 942 per sq mi (364 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Upper Stewartsville at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Warren County |
| Type | Census-designated place |
| Population | 329 (2020) |
| Land area | 0.35 sq mi (0.9 km²) |
| Elevation | 417 ft (127 m) |
| Coordinates | 40.7048° N, 75.1206° W |
| ZIP code | 08865 |
| Census code (GEOID) | 3475145 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Upper Stewartsville
- Lopatcong Overlook1.4 mi SW
- Stewartsville1.5 mi SE
- Greenwich1.7 mi S
- Lopatcong1.9 mi W
- New Village2.5 mi NE
- Upper Pohatcong2.6 mi SW
- Harmony3.0 mi N
- Phillipsburg3.2 mi W
- Delaware Park3.5 mi W
- Franklin3.6 mi E
- Alpha3.7 mi SW
- Bloomsbury4.1 mi SE
Straight-line distance between town centers.
Frequently asked questions about Upper Stewartsville
What county is Upper Stewartsville in?
Upper Stewartsville is in Warren County, New Jersey.
What is the population of Upper Stewartsville, NJ?
329 people lived in Upper Stewartsville at the 2020 Census.
What is the ZIP code of Upper Stewartsville, NJ?
The ZIP code of Upper Stewartsville is 08865.
What is the elevation of Upper Stewartsville?
417 feet (127 m) above sea level.
What towns are near Upper Stewartsville?
Lopatcong Overlook (1.4 mi), Stewartsville (1.5 mi), Greenwich (1.7 mi), Lopatcong (1.9 mi), New Village (2.5 mi).
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