| Student Age Group | Number | Percent | 
|---|---|---|
| 18-19 | 1,992 | 31.48% | 
| 20-21 | 1,639 | 25.90% | 
| 22-24 | 1,104 | 17.45% | 
| 25-29 | 603 | 9.53% | 
| 35 and over | 462 | 7.30% | 
| 30-34 | 294 | 4.65% | 
Most Nicholls State University students fall into the 18-19 age-range. Student age diversity is considered average.