Alternate Unofficial Names: City of Saint Charles, Las Pequenas Cuestas, Le Village de Cotes, Le Village du Cote, Les Petites Cotes, Petit Cotes, Saint Andrew, Saint Charles City, San Carlos del Missouri, San Carlos del Misuri, San Fernando.
Saint Charles had a population of 65,655; a land area of 23.65 sq. miles; a water area of 0.38 sq. miles; and a population density of 2,776.46 people per sq. mile according to the US Census Bureaue estimate of July 1, 2009. Latest Census Estimates for all incorporated places in Missouri.