Florissant (/ˈflɒrɪsənt/ (listen)) is a city in St. Louis County, Missouri, within Greater St. Louis. It is a middle class second-ring northern suburb of St. Louis. Based on 2017 U.S. Census Bureau estimates, the city had a total population of 51,443, making it the 13th-largest city in Missouri.
According to the United States Census Bureau, the city has a total area of 12.87 square miles (33.33 km2), of which 12.56 square miles (32.53 km2) are land and 0.31 square mile (0.80 km2) is covered by water....
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia