This was 3.4 percent lower than the state average of 48.4 percent. In 2020 the total municipality population reached 4,006.
93.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Centerville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 175 | 6.3 |
| Regular high school diploma | 660 | 23.8 |
| GED or alternative credential | 86 | 3.1 |
| Some college, less than 1 year | 261 | 9.4 |
| Some college, 1 or more years, no degree | 346 | 12.5 |
| Associate's degree | 316 | 11.4 |
| Bachelor's degree | 781 | 28.1 |
| Master's degree | 142 | 5.1 |
| Professional school degree | 9 | 0.3 |
| Doctorate degree | 0 | 0 |
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