This was 9.8 percent higher than the state average of 38 percent. In 2020 the total municipality population reached 564.
95.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Platte Woods for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 19 | 4.7 | 
| Regular high school diploma | 77 | 19.1 | 
| GED or alternative credential | 11 | 2.7 | 
| Some college, less than 1 year | 17 | 4.2 | 
| Some college, 1 or more years, no degree | 87 | 21.5 | 
| Associate's degree | 25 | 6.2 | 
| Bachelor's degree | 111 | 27.5 | 
| Master's degree | 46 | 11.4 | 
| Professional school degree | 5 | 1.2 | 
| Doctorate degree | 6 | 1.5 | 

 
               
                 
                 
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