Principal city[edit] New Orleans Satellite Cities (Places with over 50,000 inhabitants)[edit] Kenner Slidell Metairie, unincorporated community Places between 10,000 and 50,000 inhabitants[edit] Chalmette Destrehan Estelle Gretna Harvey Hammond Jefferson LaPlace Luling Mandeville Marrero Meraux River Ridge Terrytown Timberlane Westwego Woodmere