The student population at Lamar State College-Port Arthur is 4,680 (all undergraduate). The number of students has increased by 2,878 (159.71%) over the past decade.
The average student population over the last 11 years is 2,705 where 4,680 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 4,680 students in 2025 and was lowest at 1,802 in 2016. Overall, enrollment rose from 1,802 to 4,680 students, a net gain of 2,878 (159.7%).
The following table and chart illustrate the changes in student population by gender at Lamar State College-Port Arthur since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 1,802 | 703 | 1,099 |
| 2016-17 | 2,051 249 | 813 110 | 1,238 139 |
| 2017-18 | 2,293 242 | 904 91 | 1,389 151 |
| 2018-19 | 2,441 148 | 1,006 102 | 1,435 46 |
| 2019-20 | 2,537 96 | 980 -26 | 1,557 122 |
| 2020-21 | 2,485 -52 | 861 -119 | 1,624 67 |
| 2021-22 | 2,361 -124 | 853 -8 | 1,508 -116 |
| 2022-23 | 2,600 239 | 962 109 | 1,638 130 |
| 2023-24 | 3,802 1,202 | 1,636 674 | 2,166 528 |
| 2024-25 | 4,680 878 | 2,150 514 | 2,530 364 |
| Average | 2,705 | 1,087 | 1,618 |
The percentage of white students is 22.14% and the percentage of black students is 21.60% at Lamar State College-Port Arthur. 3.01% of enrolled students is Asian. Hispanic students comprise 43.31% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 37.62% to 22.14%. Asian enrollment declined from 7.94% to 3.01%. Black student enrollment decreased from 26.69% to 21.60%. Hispanic student representation expanded from 25.14% to 43.31%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.7158 which indicates that quite diverse. This decreased from 0.7174 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at Lamar State College-Port Arthur 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 | 10 | 143 | 481 | 453 | 2 | 678 | 27 |
| 2016-17 | 9 | 142 | 549 | 581 | 2 | 731 | 30 |
| 2017-18 | 6 | 150 | 635 | 745 | 0 | 705 | 38 |
| 2018-19 | 11 | 127 | 693 | 824 | 1 | 720 | 39 |
| 2019-20 | 7 | 139 | 723 | 885 | 1 | 718 | 32 |
| 2020-21 | 7 | 148 | 760 | 857 | 1 | 670 | 23 |
| 2021-22 | 7 | 133 | 659 | 874 | 3 | 639 | 35 |
| 2022-23 | 59 | 114 | 687 | 1,096 | 0 | 594 | 23 |
| 2023-24 | 19 | 133 | 883 | 1,713 | 0 | 744 | 24 |
| 2024-25 | 30 | 141 | 1,011 | 2,027 | 1 | 1,036 | 16 |
| Average | 17 | 137 | 708 | 1,006 | 1 | 724 | 29 |
374 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 8% of total students. The number of online students has increased 118.71% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Lamar State College-Port Arthur from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 1,802 | 171 | 334 | 1,297 |
| 2016-17 | 2,051 | 148 | 350 | 1,553 |
| 2017-18 | 2,293 | 136 | 411 | 1,746 |
| 2018-19 | 2,441 | 161 | 482 | 1,798 |
| 2019-20 | 2,537 | 216 | 692 | 1,629 |
| 2020-21 | 2,485 | 1,336 | 844 | 305 |
| 2021-22 | 2,361 | 486 | 215 | 1,660 |
| 2022-23 | 2,600 | 521 | 881 | 1,198 |
| 2023-24 | 3,802 | 603 | 913 | 2,286 |
| 2024-25 | 4,680 | 374 | 1,269 | 3,037 |
| Average | 2,705 | 415 | 639 | 1,651 |
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