This was 21.5 percent higher than the state average of 47.7 percent. In 2020 the total municipality population reached 26,873.
95.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Ilchester for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 843 | 4.9 |
| Regular high school diploma | 1,669 | 9.7 |
| GED or alternative credential | 167 | 1 |
| Some college, less than 1 year | 767 | 4.5 |
| Some college, 1 or more years, no degree | 1,841 | 10.7 |
| Associate's degree | 1,135 | 6.6 |
| Bachelor's degree | 5,455 | 31.8 |
| Master's degree | 3,942 | 23 |
| Professional school degree | 746 | 4.3 |
| Doctorate degree | 600 | 3.5 |
Alerts Sign-up