For Illinois Public colleges, the 2025 average undergraduate tuition & fees is $10,986 for Illinois residents and $13,509 for out-of-state students.
For graduate programs, the average tuition & fees is $12,679 for Illinois residents and $19,214 for out-of-state students.
University of Illinois Urbana-Champaign has the highest undergraduate tuition & fees of $40,096 and Triton College - Intl Union of Operating Engr Local 399 Trning Fac. has the lowest tuition & fees of $2,000 among Illinois Public colleges. For graduate programs, University of Illinois Urbana-Champaign has the highest graduate tuition & fees of $34,406 and Northern Illinois University has the lowest graduate tuition & fees of $9,176 among Illinois Public colleges.
Costs of Attendance (COA)
The average COA of Illinois Public colleges in 2025 is $29,019 for state residents and $31,541 for out-of-state students including tuition, fees, books, supplies, room & board (on-campus), and other living expenses.
Undergraduate Tuition & Fees
The 2025 average undergraduate tuition & fees of Illinois Public colleges is $10,986 for state residents and $13,509 for out-of-state students.
The following table describes the changes of average tuition & fees for Illinois Public colleges over last 5 years as well as recent year average tuition & fees.
Graduate Programs Tuition & Fees
The average graduate program tuition & fees of Illinois Public colleges in 2025 is $12,679 for state residents and $19,214 for out-of-state students.
The following table describes the changes of average graduate tuition & fees for Illinois Public colleges over last 5 years.
Tuition Per Credit Hour (Part-time Students and Over Credits)
The undergraduate average cost per credit hour of Illinois Public colleges in 2025 is $338 for state residents and $433 for out-of-state students.
The graduate average cost per credit hour is $452 for state residents and $714 for out-of-state students.
The following table describes the changes of tuition per credit hour over last 5 years.
Illinois Public colleges Living Costs
The average living costs of Illinois Public colleges in 2025 is $16,616 when a student lives on campus such as dormitory and school's apartment and $15,960 living off campus including room, board, and other living expenses.
The following table describes the changes of average living costs over last 5 years for Illinois Public colleges.