At NIU, numbers tell only part of our story, but they're an important part. From our intimate 14:1 student-to-faculty ratio to our diverse community where 50% of undergraduates are first-generation college students, these figures reflect our commitment to inclusive excellence.
Our vibrant campus community brings together more than 16,000 students from across the globe, creating an environment where future psychologists, engineers, artists and entrepreneurs learn alongside each other. With an average class size of 23 students and faculty who are leaders in their fields, NIU offers the personal attention of a small college with the opportunities of a major research university.
Total Student Enrollment: 16,078 (Fall 2025)
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