College Scorecard data · Updated August 17, 2026
| Tuition | Difference | |
|---|---|---|
| Adelphi University (in-state) | $49,110 | — |
| NY average | $22,694 | +116% |
| National average | $18,082 | +172% |
In-state tuition at Adelphi University is $49,110 per year; out-of-state students pay $49,110.
Adelphi University in-state tuition is 116% above the NY average of $22,694.
National average in-state tuition is $18,082; Adelphi University is 172% above that.
$49,110 is the official in-state tuition published by College Scorecard for the most recent cohort year.