This was 11.9 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 5,307.
93.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Colona for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 232 | 6.1 |
| Regular high school diploma | 1,311 | 34.6 |
| GED or alternative credential | 160 | 4.2 |
| Some college, less than 1 year | 283 | 7.5 |
| Some college, 1 or more years, no degree | 599 | 15.8 |
| Associate's degree | 352 | 9.3 |
| Bachelor's degree | 619 | 16.3 |
| Master's degree | 101 | 2.7 |
| Professional school degree | 135 | 3.6 |
| Doctorate degree | 0 | 0 |
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