Illinois residents paid $15,074 to attend the four-year public institution this year $16 more than the $15,058 charged for 2016-17.
Non-residents paid 106.9 percent more than residents this year, or $31,194. Their price tag grew 1.7 percent from $30,680 in 2016-17.
About 74 percent of the school's undergraduate population are Illinois residents. About 11 percent are residents of other states and 14 percent are citizens of other countries.
Data shows 63 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 3,657 students received grants or scholarships totaling $47.25 million and 2,968 students took out student loans totaling more than $20.51 million.
Including all undergraduates, 16,980 students used grants or scholarships totaling $212.88 million. Another 11,960 took out $72.76 million in federal student loans.