This was 7 percent lower than the state average of 46.3 percent. In 2020 the total municipality population reached 18,574.
93.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Holtsville for 2020*
Degree | Number of people | Percentage of population |
---|---|---|
No degree | 825 | 6.3 |
Regular high school diploma | 3,936 | 30.1 |
GED or alternative credential | 357 | 2.7 |
Some college, less than 1 year | 796 | 6.1 |
Some college, 1 or more years, no degree | 2,015 | 15.4 |
Associate's degree | 1,124 | 8.6 |
Bachelor's degree | 2,428 | 18.6 |
Master's degree | 1,303 | 10 |
Professional school degree | 155 | 1.2 |
Doctorate degree | 133 | 1 |