This was 20 percent lower than the state average of 48.4 percent. In 2020 the total municipality population reached 2,451.
89.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Arlington for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 154 | 10.1 |
| Regular high school diploma | 530 | 34.7 |
| GED or alternative credential | 42 | 2.8 |
| Some college, less than 1 year | 134 | 8.8 |
| Some college, 1 or more years, no degree | 233 | 15.3 |
| Associate's degree | 209 | 13.7 |
| Bachelor's degree | 175 | 11.5 |
| Master's degree | 31 | 2 |
| Professional school degree | 19 | 1.2 |
| Doctorate degree | 0 | 0 |
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