This was 7.9 percent lower than the state average of 31.4 percent. In 2020 the total municipality population reached 10,227.
79.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in St. Helena Parish for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 1,514 | 20.9 |
| Regular high school diploma | 2,695 | 37.3 |
| GED or alternative credential | 223 | 3.1 |
| Some college, less than 1 year | 310 | 4.3 |
| Some college, 1 or more years, no degree | 789 | 10.9 |
| Associate's degree | 512 | 7.1 |
| Bachelor's degree | 678 | 9.4 |
| Master's degree | 427 | 5.9 |
| Professional school degree | 12 | 0.2 |
| Doctorate degree | 74 | 1 |

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