DeQuincy, Louisiana
small city in Calcasieu Parish, Louisiana, United States
DeQuincy is the northernmost city in Calcasieu Parish, Louisiana, United States. As of the 2020 census, DeQuincy had a population of 3,144. DeQuincy is part of the Lake Charles metropolitan statistical area.
History
DeQuincy was founded in 1897 as a railroad town with the Calcasieu, Vernon & Shreveport Railway Company (CV&S) having been completed and Arthur Stilwell's Kansas City, Shreveport & Gulf Railway Company (KCS&G), that was owned by the Kansas City, Pittsburg and Gulf Railroad (KCP&G), completed in 1897.
On 8 March 1944, two Air Force aircraft from nearby Barksdale Air Force Base collided overhead killing seven people.
Geography
DeQuincy is located in northern Calcasieu Parish. Louisiana Highways 12 and 27 pass through the center of town: LA 12 leads east 36 miles (58 km) to Kinder and southwest 22 miles (35 km) to Deweyville, Texas, while LA 27 leads north 31 miles (50 km) to DeRidder and south 17 miles (27 km) to Sulphur, 9 miles (14 km) west of Lake Charles.
According to the United States Census Bureau, DeQuincy has a total area of 3.2 square miles (8.2 km2), all land.
Demographics
As of the 2020 United States census, there were 3,144 people, 972 households, and 720 families residing in the city.
Economy
DeQuincy was founded as a railroad settlement, and the Kansas City Southern and Union Pacific railroads remain principal employers for area citizens.
This brief starts where responsible research should: with the source description of “DeQuincy, Louisiana” as small city in Calcasieu Parish, Louisiana, 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 small city in Calcasieu Parish, Louisiana, United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Jul 19, 2026. The linked authority identifier is Q1923126. VIAF identifies the subject as 129055494. The Library of Congress control number is n84112248. Authority coordinates are 30.451, -93.436. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 1897 and 1944.
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 “DeQuincy, Louisiana”, its source revision and the description used here.
- Expand the search: follow DeQuincy, Louisiana primary sources, DeQuincy, Louisiana archive and DeQuincy 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 “DeQuincy, Louisiana”?
- 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 “DeQuincy, Louisiana” 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.