Colorado residents paid $9,546 to attend the four-year public institution this year $658 more than the $8,888 charged for 2016-17.
Non-residents paid 121.4 percent more than residents this year, or $21,132. Their price tag grew 3.2 percent from $20,474 in 2016-17.
About 84 percent of the school's undergraduate population are Colorado residents. About 15 percent are residents of other states and 1 percent are citizens of other countries.
Data shows 86 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 1,410 students received grants or scholarships totaling $12.13 million and 1,156 students took out student loans totaling more than $6.98 million.
Including all undergraduates, 5,936 students used grants or scholarships totaling $45.59 million. Another 4,876 took out $31 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.