This was 9.4 percent lower than the state average of 34.4 percent. In 2020 the total municipality population reached 22,529.
86.5 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 | 2,087 | 13.5 |
Regular high school diploma | 5,187 | 33.6 |
GED or alternative credential | 1,040 | 6.7 |
Some college, less than 1 year | 1,099 | 7.1 |
Some college, 1 or more years, no degree | 2,178 | 14.1 |
Associate's degree | 683 | 4.4 |
Bachelor's degree | 2,023 | 13.1 |
Master's degree | 940 | 6.1 |
Professional school degree | 85 | 0.5 |
Doctorate degree | 136 | 0.9 |