This was 9.2 percent higher than the state average of 40.5 percent. In 2020 the total municipality population reached 6,617.
94.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Southgate for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 288 | 5.6 |
| Regular high school diploma | 1,001 | 19.6 |
| GED or alternative credential | 110 | 2.2 |
| Some college, less than 1 year | 424 | 8.3 |
| Some college, 1 or more years, no degree | 751 | 14.7 |
| Associate's degree | 504 | 9.9 |
| Bachelor's degree | 1,339 | 26.2 |
| Master's degree | 550 | 10.8 |
| Professional school degree | 63 | 1.2 |
| Doctorate degree | 86 | 1.7 |

Alerts Sign-up