The parish seat is Jennings, LA. The unincorporated areas are Barnsdall, Buller, China, Coverdale, Edna, Foreman’s Hall, Hathaway, Illinois Plant, Lacassine, Lauderdale, Panchoville, Pine Island, Raymond, Roanoke, Silverwood, Thornwell, Topsy, Verret, and Woodlawn.
Jeff Davis Parish is a rural community that is centered between New Orleans and Houston. The parish is an Interstate 10 community, which provides great access for local markets. Union Pacific, Burlington Northern Santa Fe, and Kansas City Southern are the three railroad companies that service the parish.