This was 2.2 percent lower than the state average of 43.2 percent. In 2020 the total municipality population reached 207.
93.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Creston for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 9 | 6.5 |
| Regular high school diploma | 38 | 27.3 |
| GED or alternative credential | 7 | 5 |
| Some college, less than 1 year | 13 | 9.4 |
| Some college, 1 or more years, no degree | 15 | 10.8 |
| Associate's degree | 28 | 20.1 |
| Bachelor's degree | 27 | 19.4 |
| Master's degree | 0 | 0 |
| Professional school degree | 2 | 1.4 |
| Doctorate degree | 0 | 0 |
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