how far is clayton mo from st louis mo
Clayton, Missouri Clayton is a city in and the county seat of St. Louis County, Missouri, United States,[6] and borders the city of St. Louis. The population was 15,939 at the 2010 census.[7] The city was organized in 1877 and is named after Ralph Clayton,[8] who donated the land for the courthouse. The city is known for its multiple skyscrapers in its business district.