Allen Parish is located in Southwest Louisiana. The total land area of Allen Parish is 775 square miles or 496,000 acres. There are three major towns in the mostly rural parish: Kinder, Oberlin, and Oakdale. A prison and illegal alien detention center is located in Oakdale. A state medium security prison is located between Oberlin and Kinder. A major wood-using industry manufacturing lumber is located in Oakdale. There are several small sawmills and crosstie mills in the parish. A small manufacturer of boating safety devises is located in Kinder.