This was 15.1 percent lower than the state average of 43.2 percent. In 2020 the total municipality population reached 1,440.
91 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Plainview for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 84 | 9 | 
| Regular high school diploma | 335 | 35.9 | 
| GED or alternative credential | 50 | 5.4 | 
| Some college, less than 1 year | 86 | 9.2 | 
| Some college, 1 or more years, no degree | 116 | 12.4 | 
| Associate's degree | 106 | 11.4 | 
| Bachelor's degree | 115 | 12.3 | 
| Master's degree | 29 | 3.1 | 
| Professional school degree | 12 | 1.3 | 
| Doctorate degree | 0 | 0 | 

 
               
                 
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