Tensas Parish, Louisiana

Tensas Parish
Parish of Tensas
Paroisse des Tensas (French)
Tensas Parish Courthouse at St. Joseph
Location within the U.S. state of Louisiana
Coordinates: 32°00′N 91°20′W / 32°N 91.33°W / 32; -91.33
Country United States
State Louisiana
FoundedMarch 17, 1843
Named afterTaensa people
SeatSt. Joseph
Largest townNewellton
Area
 • Total
641 sq mi (1,660 km2)
 • Land603 sq mi (1,560 km2)
 • Water38 sq mi (98 km2)  6.0%
Population
 (2020)
 • Total
4,147
 • Density6.88/sq mi (2.66/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district5th
Websitelouisiana.gov/Government/Parish_Tensas/

Tensas Parish (French: Paroisse des Tensas) is a parish located in the northeastern section of the State of Louisiana; its eastern border is the Mississippi River. As of the 2020 census, the population was 4,147. It is the least populated parish in Louisiana. The parish seat is St. Joseph. The name Tensas is derived from the historic indigenous Taensa people. The parish was founded in 1843 following Indian Removal.

The parish was developed for cotton agriculture, which dominated the economy through the early 20th century. There has also been some cattle ranching in the 1930s and timber extraction.