Commerce, California
city in Los Angeles County, California, United States
Commerce is a city located in southeast Los Angeles County, California, United States. The population was 12,378 at the 2020 census, down from 12,823 at the 2010 census. It is usually referred to as the City of Commerce to distinguish it from the common noun. It is bordered by Vernon on the west, Los Angeles on the northwest, East Los Angeles on the north, Montebello on the east, Downey and Bell Gardens on the south, and Maywood on the southwest. The Los Angeles River forms part of its southwestern boundary, and the Rio Hondo separates it from Downey. Commerce is served by the Long Beach and Santa Ana freeways, as well as the Metrolink commuter rail service at the Commerce station.
History
In the 19th century, the area was part of Antonio Maria Lugo's Rancho San Antonio. Its conversion to an industrial area began in 1887, when the Atchison, Topeka and Santa Fe Railway built its main line through the area. The ranch remained intact until Arcadia Bandini de Stearns Baker, reputedly once the wealthiest woman in Los Angeles, sold some of it around the turn of the 20th century. The Atchison, Topeka and Santa Fe Railway and Los Angeles and Salt Lake Railroad (later the Union Pacific) both were built through what would become the community, as was the Pacific Electric Railway's Whittier Line.
This brief starts where responsible research should: with the source description of “Commerce, California” as city in Los Angeles County, California, United States. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as city in Los Angeles County, California, United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 10, 2026. The linked authority identifier is Q917540. VIAF identifies the subject as 135149413. The Library of Congress control number is no90015287. Authority coordinates are 34.001, -118.155. 3 of 5 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 2010 and 1887.
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 “Commerce, California”, its source revision and the description used here.
- Expand the search: follow Commerce, California primary sources, Commerce, California archive and Commerce 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 “Commerce, California”?
- Which earlier names or jurisdictions may reveal additional records?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Commerce, 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.