This was 36.6 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 2,829.
72 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Sheridan for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 605 | 28 |
| Regular high school diploma | 432 | 20 |
| GED or alternative credential | 377 | 17.5 |
| Some college, less than 1 year | 284 | 13.2 |
| Some college, 1 or more years, no degree | 307 | 14.2 |
| Associate's degree | 92 | 4.3 |
| Bachelor's degree | 49 | 2.3 |
| Master's degree | 12 | 0.6 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |

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