This was 8.7 percent lower than the state average of 41.9 percent. In 2020 the total municipality population reached 520.
74.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Littleton for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 100 | 25.4 |
| Regular high school diploma | 98 | 24.9 |
| GED or alternative credential | 11 | 2.8 |
| Some college, less than 1 year | 19 | 4.8 |
| Some college, 1 or more years, no degree | 35 | 8.9 |
| Associate's degree | 47 | 11.9 |
| Bachelor's degree | 64 | 16.2 |
| Master's degree | 12 | 3 |
| Professional school degree | 6 | 1.5 |
| Doctorate degree | 2 | 0.5 |
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