This was 14.7 percent lower than the state average of 38.1 percent. In 2020 the total municipality population reached 1,443.
71.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Booker for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 247 | 28.5 |
| Regular high school diploma | 244 | 28.1 |
| GED or alternative credential | 18 | 2.1 |
| Some college, less than 1 year | 25 | 2.9 |
| Some college, 1 or more years, no degree | 131 | 15.1 |
| Associate's degree | 44 | 5.1 |
| Bachelor's degree | 112 | 12.9 |
| Master's degree | 21 | 2.4 |
| Professional school degree | 20 | 2.3 |
| Doctorate degree | 6 | 0.7 |
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