Upper Stewartsville, NJ · Census-designated place

Upper Stewartsville, New Jersey houses and real estate market data.

Houses in Upper Stewartsville, NJ (Warren County) — market data for Upper Stewartsville houses and the whole local market.

Census-designated place · Census GEOID 3475145

I'm buying in Upper Stewartsville → I'm selling / what's my home worth? →
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Upper Stewartsville, NJ is a Census-designated place in Warren County, New Jersey — this guide covers houses in Upper Stewartsville and the whole local market: resale homes, condos, land, and new construction.

Info from government sites and builders may have provided source info.

Open map pin ↗ · 40.704794, -75.120558

At a glance

Upper Stewartsville market snapshot

Place type

Census-designated place

County

Warren County

Map pin

40.704794, -75.120558

Census GEOID

3475145

Land area

0.35 sq mi

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

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Why Upper Stewartsville

What makes Upper Stewartsville different

Census-designated place

The U.S. Census Bureau lists Upper Stewartsville as a Census-designated place in Warren County, New Jersey — a settled community that is not an incorporated city, town, or village. This page uses the same /new-jersey/upper-stewartsville/ guide pattern as incorporated places.

Nearby

Places around Upper Stewartsville

County guide: Warren County — cities, market context, and local resources for the county that includes Upper Stewartsville.

USAHouses.com also publishes Census place pages for other communities in the same county as Upper Stewartsville.

Nearby communities include Lopatcong Overlook, Stewartsville, Greenwich, New Village, Upper Pohatcong, Phillipsburg, Harmony, Delaware Park, Alpha, Broadway, Hutchinson, Brainards, Asbury, Brass Castle, Finesville, Brookfield.

Adjacent-county Census places with USAHouses.com pages: Bloomsbury (~4.0 mi), Hampton (~7.8 mi), Milford (~9.2 mi), Glen Gardner (~9.5 mi), Clinton (~11.7 mi), High Bridge (~12.3 mi), Frenchtown (~12.6 mi), Annandale (~12.8 mi), Califon (~14.9 mi), Lebanon (~15.7 mi), Long Valley (~18.8 mi), White House Station (~19.1 mi), Flemington (~19.3 mi), Oldwick (~20.1 mi), Pottersville (~20.7 mi), Three Bridges (~21.1 mi).

Census & home facts

Upper Stewartsville data from published sources

County FHFA annual change (2025)

6.81%

County median listing price (FRED/Realtor.com) (2026-06-01)

$448,000

Census place type

CDP

County

Warren County

Land area (Census Gazetteer 2024)

0.35 sq mi

Census GEOID

3475145

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

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Common questions

Upper Stewartsville FAQ

What kind of place is Upper Stewartsville, NJ?

The U.S. Census Bureau lists Upper Stewartsville as a Census-designated place in Warren County, New Jersey — a settled community that is not an incorporated city, town, or village.

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New-home communities in Upper Stewartsville, New Jersey

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