Jena is a town in, and the parish seat of, La Salle Parish, Louisiana, United States. The population was 3,398 at the 2010 census.
Jena was named for Jena, Germany, where French Emperor Napoleon I won the Battle of Jena-Auerstedt in 1806. The town in Louisiana was founded exactly one hundred years later.
In September 2006, Jena became the focus of national news stories in the United States for a racial controversy involving its school system and a group of students known as the Jena Six.
Jena is located at 31°41′24″N 92°7′29″W (31.689993, -92.124781) and has an elevation of 167 feet (50.9 m).
According to the United States Census Bureau, the town has a total area of 5.4 square miles (14 km2), all land.
Residents of these rural communities frequent Jena for school, work, and shopping.
As of the census of 2000, there were 2,971 people, 1,135 households, and 749 families residing in the town. The population density was 552.7 people per square mile (213.2/km2). There were 1,264 housing units at an average density of 235.2 per square mile (90.7/km2). The racial makeup of the town was 85.56% White, 12.02% African American, 0.67% Native American, 0.47% Asian, 0.50% from other races, and 0.77% from two or more races. Hispanic or Latino of any race were 1.21% of the population.