Illinois residents paid $11,340 to attend the two-year public institution this year $832 more than the $10,508 charged for 2016-17.
Non-resident students would have paid 6.1 percent more than residents this year, or $12,030. Non-resident tuition and fees grew 7.5 percent from $11,187 in 2016-17.
About 99 percent of the school's undergraduate population are Illinois residents.
Data shows 51 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 491 students received grants or scholarships totaling $2.18 million and 145 students took out student loans totaling more than $461,986.
Including all undergraduates, 3,704 students used grants or scholarships totaling $16.52 million. Another 1,041 took out $3.29 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.