This was 19.4 percent lower than the state average of 38.1 percent. In 2020 the total municipality population reached 1,075.
85.2 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Santa Anna for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 103 | 14.8 |
| Regular high school diploma | 174 | 25 |
| GED or alternative credential | 40 | 5.7 |
| Some college, less than 1 year | 50 | 7.2 |
| Some college, 1 or more years, no degree | 200 | 28.7 |
| Associate's degree | 75 | 10.8 |
| Bachelor's degree | 36 | 5.2 |
| Master's degree | 15 | 2.2 |
| Professional school degree | 4 | 0.6 |
| Doctorate degree | 0 | 0 |
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