South STL News

42.9 percent of people 25 years or older had an associate's degree or higher in Affton in 2020, according to data obtained from the U.S. Census Bureau.

This was 4.9 percent higher than the state average of 38 percent. In 2020 the total municipality population reached 19,580.

92 percent of the population had at least a high school diploma or the equivalent.

Degree	Number of people	Percentage of population
No degree	1,155	8
Regular high school diploma	3,436	23.8
GED or alternative credential	441	3.1
Some college, less than 1 year	1,226	8.5
Some college, 1 or more years, no degree	1,972	13.7
Associate's degree	1,651	11.5
Bachelor's degree	2,971	20.6
Master's degree	1,153	8
Professional school degree	344	2.4
Doctorate degree	59	0.4

*All data is for residents who were at least 25 years old in 2020.