This was 21.2 percent higher than the state average of 43.7 percent. In 2020 the total municipality population reached 75,071.
96.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Arlington Heights for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 2,004 | 3.7 |
| Regular high school diploma | 7,865 | 14.5 |
| GED or alternative credential | 770 | 1.4 |
| Some college, less than 1 year | 2,522 | 4.6 |
| Some college, 1 or more years, no degree | 5,907 | 10.9 |
| Associate's degree | 3,735 | 6.9 |
| Bachelor's degree | 18,957 | 34.8 |
| Master's degree | 10,317 | 19 |
| Professional school degree | 1,443 | 2.7 |
| Doctorate degree | 880 | 1.6 |
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