This was 7.4 percent lower than the state average of 41.1 percent. In 2020 the total municipality population reached 1,988.
93.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Mount Ayr for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 92 | 6.9 |
| Regular high school diploma | 449 | 33.9 |
| GED or alternative credential | 73 | 5.5 |
| Some college, less than 1 year | 70 | 5.3 |
| Some college, 1 or more years, no degree | 194 | 14.6 |
| Associate's degree | 184 | 13.9 |
| Bachelor's degree | 182 | 13.7 |
| Master's degree | 56 | 4.2 |
| Professional school degree | 25 | 1.9 |
| Doctorate degree | 0 | 0 |
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