The student population at Long Island University is 16,689 (12,072 undergraduate and 4,617 graduate students) . The number of students has increased by 8,066 (93.54%) over the past decade.
The average student population over the last 11 years is 13,550 where 16,689 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 7 year-over-year increases and 2 decreases. It peaked at 16,689 students in 2025 and was lowest at 8,499 in 2018. Overall, enrollment rose from 8,623 to 16,689 students, a net gain of 8,066 (93.5%).
The following table and chart illustrate the changes in student population by gender at Long Island University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 8,623 | 6,224 | 2,594 | 3,630 | 2,399 | 614 | 1,785 |
| 2016-17 | 8,634 11 | 6,280 56 | 2,624 30 | 3,656 26 | 2,354 -45 | 602 -12 | 1,752 -33 |
| 2017-18 | 8,499 -135 | 6,316 36 | 2,574 -50 | 3,742 86 | 2,183 -171 | 533 -69 | 1,650 -102 |
| 2018-19 | 15,196 6,697 | 9,918 3,602 | 3,586 1,012 | 6,332 2,590 | 5,278 3,095 | 1,373 840 | 3,905 2,255 |
| 2019-20 | 15,546 350 | 10,707 789 | 4,036 450 | 6,671 339 | 4,839 -439 | 1,181 -192 | 3,658 -247 |
| 2020-21 | 15,066 -480 | 10,403 -304 | 3,825 -211 | 6,578 -93 | 4,663 -176 | 1,063 -118 | 3,600 -58 |
| 2021-22 | 15,191 125 | 10,707 304 | 4,025 200 | 6,682 104 | 4,484 -179 | 982 -81 | 3,502 -98 |
| 2022-23 | 15,737 546 | 11,319 612 | 4,452 427 | 6,867 185 | 4,418 -66 | 988 6 | 3,430 -72 |
| 2023-24 | 16,322 585 | 11,753 434 | 4,809 357 | 6,944 77 | 4,569 151 | 1,124 136 | 3,445 15 |
| 2024-25 | 16,689 367 | 12,072 319 | 5,043 234 | 7,029 85 | 4,617 48 | 1,169 45 | 3,448 3 |
| Average | 13,550 | 9,570 | 3,757 | 5,813 | 3,980 | 963 | 3,018 |
The average number of Undergraduate students over the last 11 years is 9,570 where 12,072 students are attending the Undergraduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Undergraduate enrollment by attending status and gender at Long Island University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 6,224 | 3,090 | 1,230 | 1,860 | 3,134 | 1,364 | 1,770 |
| 2016-17 | 6,280 | 2,874 | 1,176 | 1,698 | 3,406 | 1,448 | 1,958 |
| 2017-18 | 6,316 | 2,845 | 1,151 | 1,694 | 3,471 | 1,423 | 2,048 |
| 2018-19 | 9,918 | 5,688 | 1,914 | 3,774 | 4,230 | 1,672 | 2,558 |
| 2019-20 | 10,707 | 5,630 | 1,887 | 3,743 | 5,077 | 2,149 | 2,928 |
| 2020-21 | 10,403 | 5,453 | 1,788 | 3,665 | 4,950 | 2,037 | 2,913 |
| 2021-22 | 10,707 | 5,400 | 1,791 | 3,609 | 5,307 | 2,234 | 3,073 |
| 2022-23 | 11,319 | 5,304 | 1,829 | 3,475 | 6,015 | 2,623 | 3,392 |
| 2023-24 | 11,753 | 5,057 | 1,790 | 3,267 | 6,696 | 3,019 | 3,677 |
| 2024-25 | 12,072 | 5,166 | 1,844 | 3,322 | 6,906 | 3,199 | 3,707 |
| Average | 9,570 | 9,570 | 1,640 | 3,011 | 9,570 | 2,117 | 2,802 |
The average number of Graduate students over the last 11 years is 3,980 where 4,617 students are attending the Graduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Graduate enrollment by attending status and gender at Long Island University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 2,399 | 1,209 | 334 | 875 | 1,190 | 280 | 910 |
| 2016-17 | 2,354 | 1,150 | 304 | 846 | 1,204 | 298 | 906 |
| 2017-18 | 2,183 | 1,093 | 267 | 826 | 1,090 | 266 | 824 |
| 2018-19 | 5,278 | 2,809 | 777 | 2,032 | 2,469 | 596 | 1,873 |
| 2019-20 | 4,839 | 2,574 | 638 | 1,936 | 2,265 | 543 | 1,722 |
| 2020-21 | 4,663 | 2,541 | 610 | 1,931 | 2,122 | 453 | 1,669 |
| 2021-22 | 4,484 | 2,574 | 590 | 1,984 | 1,910 | 392 | 1,518 |
| 2022-23 | 4,418 | 2,605 | 650 | 1,955 | 1,813 | 338 | 1,475 |
| 2023-24 | 4,569 | 2,866 | 772 | 2,094 | 1,703 | 352 | 1,351 |
| 2024-25 | 4,617 | 3,058 | 861 | 2,197 | 1,559 | 308 | 1,251 |
| Average | 3,980 | 3,980 | 580 | 1,668 | 3,980 | 383 | 1,350 |
The percentage of white students is 43.17% and the percentage of black students is 8.72% at Long Island University. 10.74% of enrolled students is Asian. Hispanic students comprise 14.88% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 49.95% to 43.17%. Asian enrollment grew from 5.40% to 10.74%. Black student enrollment increased from 7.70% to 8.72%. Hispanic student representation expanded from 10.73% to 14.88%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.7717 which indicates that quite diverse. This increased from 0.7300 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Long Island University over the past 11 years (2015-2025).
| Year | American Indian or Native American | Asian | Black | Hispanic | Native Hawaiian or Other Pacific Islander | White | Two or More Races |
|---|---|---|---|---|---|---|---|
| 2015-16 | 13 | 466 | 664 | 925 | 5 | 4,307 | 107 |
| 2016-17 | 13 | 512 | 649 | 977 | 4 | 4,379 | 117 |
| 2017-18 | 12 | 464 | 584 | 992 | 5 | 4,371 | 124 |
| 2018-19 | 37 | 1,387 | 1,974 | 1,955 | 11 | 6,111 | 297 |
| 2019-20 | 36 | 1,554 | 1,778 | 2,002 | 17 | 6,713 | 300 |
| 2020-21 | 30 | 1,587 | 1,659 | 2,110 | 27 | 6,773 | 331 |
| 2021-22 | 31 | 1,673 | 1,637 | 2,101 | 26 | 6,919 | 346 |
| 2022-23 | 32 | 1,828 | 1,595 | 2,174 | 28 | 6,983 | 377 |
| 2023-24 | 34 | 1,756 | 1,492 | 2,341 | 16 | 7,129 | 386 |
| 2024-25 | 22 | 1,792 | 1,455 | 2,484 | 16 | 7,205 | 416 |
| Average | 26 | 1,302 | 1,349 | 1,806 | 16 | 6,089 | 280 |
327 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 2% of total students. The number of online students has increased 35.12% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Long Island University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 8,623 | 242 | 327 | 8,054 |
| 2016-17 | 8,634 | 177 | 433 | 8,024 |
| 2017-18 | 8,499 | 94 | 287 | 8,118 |
| 2018-19 | 15,196 | 137 | 396 | 14,663 |
| 2019-20 | 15,546 | 114 | 444 | 14,988 |
| 2020-21 | 15,066 | 224 | 134 | 14,708 |
| 2021-22 | 15,191 | 197 | 77 | 14,917 |
| 2022-23 | 15,737 | 280 | 206 | 15,251 |
| 2023-24 | 16,322 | 243 | 102 | 15,977 |
| 2024-25 | 16,689 | 327 | 114 | 16,248 |
| Average | 13,550 | 204 | 252 | 13,095 |
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