St. Helena, California
city in Napa County, California, United States
St. Helena ( hə-LEE-nə) is a city in Napa County, California, United States. Located in the North Bay region of the San Francisco Bay Area, the population was 5,430 at the 2020 census.
St. Helena is a popular tourist destination, owing to its vineyards and culinary scene. The city is the center of St. Helena American Viticultural Area (AVA), which expands 9,060 acres (14 sq mi) of the Napa Valley with over 400 vineyards encompassing 6,800 acres (2,800 ha) of cultivation. St. Helena is the location of The Culinary Institute of America at Greystone and a campus of Napa Valley College.
History
St.
Begin with the source’s own compact description: “St. Helena, California” is city in Napa County, California, United States. The dossier treats that line as a proposition to test through Helena, California and city, not as a finished interpretation.
Why this record matters
The phrase “city in Napa County, California, United States” 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 14, 2026. The linked authority identifier is Q125733. VIAF identifies the subject as 263554125. The Library of Congress control number is n80031331. Authority coordinates are 38.503, -122.470. 4 of 5 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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 “St. Helena, California”, its source revision and the description used here.
- Expand the search: follow St. Helena, California primary sources, St. Helena, California archive and Helena 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 “St. Helena, California”?
- What physical evidence or contemporary plan supports the description?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “St. Helena, California” 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.