Affton is located in Missouri. Affton, Missouri has a population of 18,925. Affton is less family-centric than the surrounding county with 28.39% of the households containing married families with children. The county average for households married with children is 29.08%.
The median household income in Affton, Missouri is $70,330. The median household income for the surrounding county is $72,562 compared to the national median of $69,021. The median age of people living in Affton is 42.5 years.
The average high temperature in July is 88.5 degrees, with an average low temperature in January of 22.7 degrees. The average rainfall is approximately 43.8 inches per year, with 15.9 inches of snow per year.
