This was 11 percent higher than the state average of 38.9 percent. In 2020 the total municipality population reached 31,428.
91.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Aiken for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 1,859 | 8.2 |
| Regular high school diploma | 4,377 | 19.4 |
| GED or alternative credential | 807 | 3.6 |
| Some college, less than 1 year | 1,021 | 4.5 |
| Some college, 1 or more years, no degree | 3,234 | 14.3 |
| Associate's degree | 1,689 | 7.5 |
| Bachelor's degree | 5,603 | 24.8 |
| Master's degree | 3,045 | 13.5 |
| Professional school degree | 508 | 2.3 |
| Doctorate degree | 420 | 1.9 |
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