This was 12.6 percent lower than the state average of 38.9 percent. In 2020 the total municipality population reached 3,556.
81.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Duncan for 2020*
Degree | Number of people | Percentage of population |
---|---|---|
No degree | 425 | 18.2 |
Regular high school diploma | 573 | 24.6 |
GED or alternative credential | 95 | 4.1 |
Some college, less than 1 year | 123 | 5.3 |
Some college, 1 or more years, no degree | 501 | 21.5 |
Associate's degree | 143 | 6.1 |
Bachelor's degree | 400 | 17.2 |
Master's degree | 69 | 3 |
Professional school degree | 0 | 0 |
Doctorate degree | 0 | 0 |