Union Parish, Louisiana
parish in Louisiana, United States
Union Parish (French: Paroisse de l'Union) is a parish located in the north central section of the U.S. state of Louisiana. As of the 2020 census, the population was 21,107. The parish seat is Farmerville. The parish was created on March 13, 1839, from a section of Ouachita Parish. Its boundaries have changed four times since then (in 1845, 1846, 1867, and 1873, respectively).
Union Parish is part of the Monroe, LA Metropolitan Statistical Area.
Geography
According to the U.S. Census Bureau, the parish has a total area of 905 square miles (2,340 km2), of which 877 square miles (2,270 km2) is land and 28 square miles (73 km2) (3.1%) is water.
Geographically north central Louisiana, Union Parish more closely resembles Lincoln Parish, to which Union is deeply tied culturally, politically, and educationally. Union Parish, along with Lincoln Parish to the southwest and Union County, Arkansas to the north, form the eastern boundary of the Ark-La-Tex region.
Major highways
U.S. Highway 63
U.S. Highway 167
Louisiana Highway 2
Louisiana Highway 15
Louisiana Highway 33
Adjacent parishes and counties
Union County, Arkansas (northwest)
Ashley County, Arkansas (northeast)
Morehouse Parish (east)
Ouachita Parish (southeast)
Lincoln Parish (southwest)
Claiborne Parish (west)
National protected areas
D'Arbonne National Wildlife Refuge (part)
Upper Ouachita National Wildlife Refuge (part)
Communities
Towns
Bernice
Farmerville (parish seat and largest municipality)
Marion
Villages
Conway
Downsville
Junction City
Lillie
Spearsville
Unincorporated communities
Alabama Landing
Oakland
Ouachita City
Point
Shiloh
Truxno
Demographics
Racial and ethnic composition
2020 census
As of the 2020 census, Union Parish had a population of 21,107 and 4,899 families, and the median age was 44.9 years.
Begin with the source’s own compact description: “Union Parish, Louisiana” is parish in Louisiana, United States. The dossier treats that line as a proposition to test through Union, Parish and Louisiana, not as a finished interpretation.
Why this record matters
The phrase “parish in Louisiana, 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.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 11, 2026. The linked authority identifier is Q512832. The first chronological checks are 2020, 1839, 1845 and 1846.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. 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
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
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The closest primary source, responsible institution and strongest cited specialist reference.
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Questions for further research
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This entry incorporates text from “Union Parish, 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.