Washington Louisiana Cities/Towns – Angie, Bogalusa, Franklinton (Parish Seat), Enon, Mount Hernon, Varnado

Washington Parish (French: Paroisse de Washington) is a parish located in the U.S. state of Louisiana. 2016 U.S. Census population: 46,310. Its parish seat is Franklinton.

History
Washington Parish was formed in 1819 by splitting off from St. Tammany Parish. Franklinton became the parish seat on February 10, 1821. Washington Parish is the most northeasterly of what are called the Florida Parishes, for it was prior to 1821 a legal part of Spanish West Florida.