The annual cost of attendance at Idaho State University varies depending on whether a student qualifies for in-state residency or out-of-state tuition rates. For resident undergraduate students, annual instructional tuition and standard fees total approximately 8,000 to 8,500 dollars, while non-resident tuition is significantly higher. When factoring in additional estimated expenses such as campus housing accommodations, meal plans, textbooks, and personal supplies, the comprehensive yearly gross cost ranges between 20,000 and 26,000 dollars before financial aid is applied.