Jefferson County Times

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

This was 5.4 percent lower than the state average of 38 percent. In 2020 the total municipality population reached 21,144.

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

Degree	Number of people	Percentage of population
No degree	1,414	9.3
Regular high school diploma	4,444	29.4
GED or alternative credential	840	5.6
Some college, less than 1 year	1,131	7.5
Some college, 1 or more years, no degree	2,362	15.6
Associate's degree	1,670	11
Bachelor's degree	2,113	14
Master's degree	918	6.1
Professional school degree	28	0.2
Doctorate degree	211	1.4

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