Alternate Unofficial Names: Fort Miro, Fuerte Miro, Post of Ouachita, Poste d'Ouachita, Poste du Ouachita, Prairie des Canots, Prairie of the Canoes, Puesto De Ouachitta.
Monroe had a population of 51,640; a land area of 29.21 sq. miles; a water area of 3.24 sq. miles; and a population density of 1,767.65 people per sq. mile according to the US Census Bureaue estimate of July 1, 2009. Latest Census Estimates for all incorporated places in Louisiana.