Upper Stewartsville, New Jersey
census designated place in Greenwich Township, Warren County, New Jersey
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.
Geography
According to the United States Census Bureau, the CDP had a total area of 0.070 square miles (0.182 km2), all of which was land.
Demographics
Upper Stewartsville first appeared as a census designated place in the 2010 U.S. census.
2020 census
2010 census
The 2010 United States census counted 212 people, 76 households, and 58 families in the CDP. The population density was 3,008.7 per square mile (1,161.7/km2). There were 84 housing units at an average density of 1,192.1 per square mile (460.3/km2). The racial makeup was 97.17% (206) White, 0.94% (2) Black or African American, 1.42% (3) Native American, 0.00% (0) Asian, 0.00% (0) Pacific Islander, 0.00% (0) from other races, and 0.47% (1) from two or more races. Hispanic or Latino of any race were 2.36% (5) of the population.
Of the 76 households, 36.8% had children under the age of 18; 56.6% were married couples living together; 11.8% had a female householder with no husband present and 23.7% were non-families. Of all households, 19.7% were made up of individuals and 9.2% had someone living alone who was 65 years of age or older.
Begin with the source’s own compact description: “Upper Stewartsville, New Jersey” is census designated place in Greenwich Township, Warren County, New Jersey. The dossier treats that line as a proposition to test through Upper, Stewartsville and Jersey, not as a finished interpretation.
Why this record matters
The phrase “census designated place in Greenwich Township, Warren County, New Jersey” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Sep 6, 2026. The linked authority identifier is Q6157273. Authority coordinates are 40.703, -75.119. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2010 and 2020.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Upper Stewartsville, New Jersey”, its source revision and the description used here.
- Expand the search: follow Upper Stewartsville, New Jersey primary sources, Upper Stewartsville, New Jersey archive and Upper research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Upper Stewartsville, New Jersey”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Upper Stewartsville, New Jersey” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.