This was 18.3 percent higher than the state average of 41.1 percent. In 2020 the total municipality population reached 7,592.
89.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Sioux Center for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 455 | 10.9 |
| Regular high school diploma | 733 | 17.5 |
| GED or alternative credential | 18 | 0.4 |
| Some college, less than 1 year | 163 | 3.9 |
| Some college, 1 or more years, no degree | 329 | 7.9 |
| Associate's degree | 474 | 11.3 |
| Bachelor's degree | 1,351 | 32.3 |
| Master's degree | 389 | 9.3 |
| Professional school degree | 152 | 3.6 |
| Doctorate degree | 123 | 2.9 |
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