Clayton is located in Missouri. Clayton, Missouri has a population of 15,819. Clayton is less family-centric than the surrounding county with 23% households with children. The county percentage for households with children is 27%.
The median household income in Clayton, Missouri is $113,159. The median household income for the surrounding county is $69,900 compared to the national median of $66,222. The median age of people living in Clayton is 30.7 years.
The average high temperature in July is 90.5 degrees, with an average low temperature in January of 21.2 degrees. The annual precipitation is 38.84.