A Circa Guide to Saint LouisSt. Louis is an independent city and a major United States port in eastern Missouri. The city reaches the western banks of the Mississippi River, which forms Missouri's eastern border with Illinois. At the 2010 census, St. Louis' population was 319,294 and a 2013 estimate put the population at 318,416, making it the 58th-most populous U.S. city in 2013 and the second largest city in the state. The city of St. Louis was founded in 1764 by Pierre Laclède and Auguste Chouteau, and named for Louis IX of France. After the Louisiana Purchase, it became a major port on the Mississippi River. In the late 19th century, St. Louis became the fourth-largest city in the United States. It seceded from St. Louis County in March 1877, allowing it to become an independent city and limiting its political boundaries. In 1904, it hosted the Louisiana Purchase Exposition and the 1904 Summer Olympics.
|Total area||0.7 sq mi (1.8 km2)|
|Population||6,904 (3,808 /km2)|
|Zip code(s)||Part of 63109|