New Orleans, Louisiana Population 2018 New Orleans is the largest city and metro area of Louisiana, and its name comes from Orléans, a city on the Loire River in France. Known for its French Creole architecture and multilingual and cultural heritage, New Orleans is often called the most unique city in the United States. read more
Population given for the City of New Orleans, not for Orleans Parish, before New Orleans absorbed suburbs and rural areas of Orleans Parish in 1874. Population for Orleans Parish was 41,351 in 1820; 49,826 in 1830; 102,193 in 1840; 119,460 in 1850; 174,491 in 1860; and 191,418 in 1870. read more