This was 5.1 percent higher than the state average of 46.3 percent. In 2020 the total municipality population reached 7,906.
94.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Center Moriches for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 283 | 5.4 |
| Regular high school diploma | 1,104 | 20.9 |
| GED or alternative credential | 118 | 2.2 |
| Some college, less than 1 year | 296 | 5.6 |
| Some college, 1 or more years, no degree | 766 | 14.5 |
| Associate's degree | 792 | 15 |
| Bachelor's degree | 787 | 14.9 |
| Master's degree | 947 | 17.9 |
| Professional school degree | 122 | 2.3 |
| Doctorate degree | 69 | 1.3 |
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