Washington residents paid $4,251 to attend the four-year public institution this year – $114 more than the $4,137 charged for 2017-18.
Non-resident students would have paid 126.3 percent more than residents this year, or $9,618. Non-resident tuition and fees grew 1.4 percent from $9,486 in 2017-18.
About 95 percent of the school's undergraduate population are Washington residents.
Data shows 37 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 33 students received grants or scholarships totaling $187,766 and 16 students took out student loans totaling more than $83,527.
Including all undergraduates (3,670), 939 students used grants or scholarships totaling $5.4 million, and 411 students took out $2.8 million in federal student loans.