Illinois residents paid $9,666 to attend the two-year public institution this year $138 more than the $9,528 charged for 2016-17.
Non-resident students would have paid 18.7 percent more than residents this year, or $11,478. Non-resident tuition and fees grew 1.2 percent from $11,340 in 2016-17.
About 99 percent of the school's undergraduate population are Illinois residents. And about 1 percent are citizens of other countries.
Data shows 51 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 673 students received grants or scholarships totaling $3.27 million and 110 students took out student loans totaling more than $498,612.
Including all undergraduates, 3,954 students used grants or scholarships totaling $17.63 million. Another 888 took out $4.91 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.