This was 6.3 percent higher than the state average of 48.4 percent. In 2020 the total municipality population reached 1,091.
97.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Lake St. Croix Beach for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 24 | 2.9 | 
| Regular high school diploma | 160 | 19.5 | 
| GED or alternative credential | 27 | 3.3 | 
| Some college, less than 1 year | 53 | 6.4 | 
| Some college, 1 or more years, no degree | 108 | 13.1 | 
| Associate's degree | 74 | 9 | 
| Bachelor's degree | 206 | 25.1 | 
| Master's degree | 164 | 20 | 
| Professional school degree | 0 | 0 | 
| Doctorate degree | 6 | 0.7 | 

              
                
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