Chesterfield is a city in St. Louis County, Missouri, United States, and a western suburb of St. Louis. As of the 2010 census, the population was 47,484, making it the state's fourteenth-largest city. The broader valley of Chesterfield was originally referred to as "Gumbo Flats", derived from its soil, which though very rich and silty, became like a gumbo when wet.
Chesterfield is located approximately 25 miles (40 km) west of St. Louis. According to the United States Census Bureau, the city has a total area of 33.52 square miles (86.82 km2), of which 31.78 square miles (82.31 km2) is land and...
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia