Northern Illinois University's in-state sticker price was $29,642 a year in 2024-25 (College Scorecard). In-state students with federal aid paid $14,505 on average after grants; families earning under $30,000 paid $12,319.
What does Northern Illinois University cost?
$14,505 a year
What in-state students who got federal aid paid on average after grants, 2024-25. The in-state sticker price, with housing and food, is $29,642.
Tap your family income:
Average paid after grants by family income
under $30,000
$12,319
$30,000–$48,000
$11,502
$48,000–$75,000
$13,387
$75,000–$110,000
$20,105
over $110,000
$24,295
Sticker
$29,642
All with aid
$14,505
At your income
Out-of-state tuition is close to the in-state $13,792, so these prices are a fair guide from any state.
For in-state families earning under $30,000, grants took 58% off Northern Illinois University's sticker price.
Business owner, divorced parents, or savings? The averages can't see that; Northern Illinois University's own calculator can.
Compared with colleges people also look at
For families earning $48,000–75,000, Northern Illinois University cost more than Western Illinois University, Eastern Illinois University and Northeastern Illinois University.
These are Northern Illinois University's in-state prices; out-of-state students usually pay more and get less aid.
Aid and debt
52%
of undergrads get a Pell Grant, the federal grant for lower-income students.
$14,387
average grant for students who got aid.
47%
of undergrads take a federal loan.
$19,555
median federal debt at graduation.
Questions people ask
How much does Northern Illinois University cost for a family earning $25,000?
In-state families earning under $30,000 paid $12,319 a year on average after grants in 2024-25 (students who got federal aid). The sticker price is $29,642. Your own price depends on your family's finances; Northern Illinois University's net price calculator gives a personal estimate.
How much does Northern Illinois University cost for a family earning $40,000?
In-state families earning $30,000–$48,000 paid $11,502 a year on average after grants in 2024-25 (students who got federal aid). The sticker price is $29,642. Your own price depends on your family's finances; Northern Illinois University's net price calculator gives a personal estimate.
How much does Northern Illinois University cost for a family earning $60,000?
In-state families earning $48,000–$75,000 paid $13,387 a year on average after grants in 2024-25 (students who got federal aid). The sticker price is $29,642. Your own price depends on your family's finances; Northern Illinois University's net price calculator gives a personal estimate.
Where these numbers come from
Admit rate and applicants: IPEDS, fall 2024 (checked Oct 31, 2026)
Cost, pay and debt: College Scorecard, 2024-25 (checked Oct 31, 2026)
