This was 15.5 percent lower than the state average of 42.7 percent. In 2020 the total municipality population reached 62,697.
74.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Montebello city for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 10,950 | 25.3 |
| Regular high school diploma | 10,485 | 24.2 |
| GED or alternative credential | 1,134 | 2.6 |
| Some college, less than 1 year | 2,112 | 4.9 |
| Some college, 1 or more years, no degree | 6,840 | 15.8 |
| Associate's degree | 3,416 | 7.9 |
| Bachelor's degree | 6,064 | 14 |
| Master's degree | 1,648 | 3.8 |
| Professional school degree | 330 | 0.8 |
| Doctorate degree | 328 | 0.8 |

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