This was 18.2 percent lower than the state average of 41.1 percent. In 2020 the total municipality population reached 709.
93.2 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Hartford for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 31 | 6.8 | 
| Regular high school diploma | 143 | 31.2 | 
| GED or alternative credential | 39 | 8.5 | 
| Some college, less than 1 year | 49 | 10.7 | 
| Some college, 1 or more years, no degree | 92 | 20 | 
| Associate's degree | 49 | 10.7 | 
| Bachelor's degree | 38 | 8.3 | 
| Master's degree | 16 | 3.5 | 
| Professional school degree | 2 | 0.4 | 
| Doctorate degree | 0 | 0 | 

 
               
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