Union Parish, Louisiana

Union Parish, Louisiana
Parish of Union
Paroisse de l'Union (French)
Union Parish Courthouse in Farmerville
Location within the U.S. state of Louisiana
Louisiana's location within the U.S.
Country United States
State Louisiana
RegionNorth Louisiana
FoundedMarch 13, 1839
Named afterUnion of American states
Parish seat (and largest town)Farmerville
Area
 • Total
905 sq mi (2,340 km2)
 • Land877 sq mi (2,270 km2)
 • Water28 sq mi (73 km2)
 • percentage3.06 sq mi (7.9 km2)
Population
 (2020)
 • Total
21,107
 • Density24.1/sq mi (9.29/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
Area code318
Congressional district4th

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.