This was 16.2 percent lower than the state average of 38 percent. In 2020 the total municipality population reached 1,485.
79.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Steelville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 201 | 20.6 |
| Regular high school diploma | 255 | 26.1 |
| GED or alternative credential | 89 | 9.1 |
| Some college, less than 1 year | 64 | 6.6 |
| Some college, 1 or more years, no degree | 155 | 15.9 |
| Associate's degree | 91 | 9.3 |
| Bachelor's degree | 62 | 6.3 |
| Master's degree | 26 | 2.7 |
| Professional school degree | 10 | 1 |
| Doctorate degree | 24 | 2.5 |

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