25,600 (2010 census), decreasing.
Louisiana: west of the Mississippi to Allen, Avoyelles, Calcasieu, and Evangeline parishes; Texas: small border area west of Sabine river, east of Beaumont.
Marsh French, Prairie French, Big Woods French. Reportedly Cajun speakers can partially understand standard French [fra].
Ancestors came from French Canada in the 18th century. Christian.