This was 11.4 percent lower than the state average of 41 percent. In 2020 the total municipality population reached 13,404.
90 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Washington for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 888 | 10 |
| Regular high school diploma | 3,474 | 39.2 |
| GED or alternative credential | 455 | 5.1 |
| Some college, less than 1 year | 649 | 7.3 |
| Some college, 1 or more years, no degree | 777 | 8.8 |
| Associate's degree | 841 | 9.5 |
| Bachelor's degree | 1,098 | 12.4 |
| Master's degree | 409 | 4.6 |
| Professional school degree | 178 | 2 |
| Doctorate degree | 93 | 1 |
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