This was 16.9 percent lower than the state average of 41.1 percent. In 2020 the total municipality population reached 815.
90.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Garnavillo for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 52 | 9.3 |
| Regular high school diploma | 264 | 47.2 |
| GED or alternative credential | 17 | 3 |
| Some college, less than 1 year | 26 | 4.7 |
| Some college, 1 or more years, no degree | 65 | 11.6 |
| Associate's degree | 30 | 5.4 |
| Bachelor's degree | 79 | 14.1 |
| Master's degree | 21 | 3.8 |
| Professional school degree | 5 | 0.9 |
| Doctorate degree | 0 | 0 |
Alerts Sign-up