Union Parish, Louisiana
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.