Illinois residents paid $11,616 to attend the two-year public institution this year $915 more than the $10,701 charged for 2016-17.
Non-resident students would have paid 20.5 percent more than residents this year, or $14,003. Non-resident tuition and fees grew 5.7 percent from $13,242 in 2016-17.
100 percent of the school's undergraduate population are Illinois residents.
Data shows 47 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 229 students received grants or scholarships totaling $1.23 million and 62 students took out student loans totaling more than $261,990.
Including all undergraduates, 1,582 students used grants or scholarships totaling $7.38 million. Another 341 took out $1.64 million in federal student loans.
Editor's note: A previous version of this story incorrectly described the cost of attendance, which includes both tuition and fees.