This was 18.7 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 4,198.
90.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Shelbyville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 293 | 9.9 |
| Regular high school diploma | 1,142 | 38.5 |
| GED or alternative credential | 165 | 5.6 |
| Some college, less than 1 year | 215 | 7.3 |
| Some college, 1 or more years, no degree | 410 | 13.8 |
| Associate's degree | 250 | 8.4 |
| Bachelor's degree | 295 | 9.9 |
| Master's degree | 195 | 6.6 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
Alerts Sign-up