Oregon residents paid $9,198 to attend the four-year public institution this year $87 less than the $9,285 charged for 2016-17.
Non-residents paid 178.9 percent more than residents this year, or $25,653. Their price tag grew 9.4 percent from $23,445 in 2016-17.
About 74 percent of the school's undergraduate population are Oregon residents. About 24 percent are residents of other states and 1 percent are citizens of other countries.
Data shows 89 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 784 students received grants or scholarships totaling $4.04 million and 648 students took out student loans totaling more than $3.81 million.
Including all undergraduates, 3,590 students used grants or scholarships totaling $21.44 million. Another 3,426 took out $24.29 million in federal student loans.