ISU's tuition & fees has increased from $20,182 (2015) to $27,720 (2025), and the rate of tuition increase is 37.35% over the past 10 years. The graduate school tuition & fees has raised from $21,518 (year 2015) to $30,632 (year 2025).
ISU's tuition increase rate is higher than the Idaho's average increase rate of 16.02%. Compare to all colleges in United States, it's increase rate is higher than the average increase rate of 10.99%.
Cost of Attendance (COA) Trends
The total cost of attendance (COA), including tuition & fees, books & supplies costs, and living costs, increased by 26.81% from 2015 ($33,541).
For the current academic year 2024-2025, ISU's COA is $42,532, which is increased by 0.50% from last year.
The following table and chart show changes to ISU's COA over the past 10 years.
Tuition & Fees Changes
The tuition & fees have increased 37.35% for the last 10 years , and the 2025 tuition & fees are $25,214. The following table and chart show the tuition & fees changes at Idaho State University over last the 10 years.
Books & Supplies Costs Changes
The cost of purchasing books & supplies which are required/recommended for courses $1,000, and it has decreased -9.09% from the year 2015 to 2025.
| Year | Books & Supplies | Change by Year |
|---|
| 2015-16 | $1,100 | - |
|---|
| 2016-17 | $1,000 | -9.09% |
|---|
| 2017-18 | $1,000 | |
|---|
| 2018-19 | $1,000 | |
|---|
| 2019-20 | $1,000 | |
|---|
| 2020-21 | $1,000 | |
|---|
| 2021-22 | $1,000 | |
|---|
| 2022-23 | $1,000 | |
|---|
| 2023-24 | $1,000 | |
|---|
| 2024-25 | $1,000 | |
|---|
Living Costs Changes
The living costs including room, board, and other living expenses have increased 12.59% when a student lives on-campus facilities and 2.61% when living-off campus from the year 2015 to 2025. The following table shows the changes in living costs at Idaho State University.
| Year | Living On Campus | Living Off Campus | Change by Year |
|---|
| 2015-16 | $12,259 | $14,201 | - |
|---|
| 2016-17 | $12,584 | $14,201 | 2.65% |
|---|
| 2017-18 | $12,945 | $14,201 | 2.87% |
|---|
| 2018-19 | $13,128 | $14,201 | 1.41% |
|---|
| 2019-20 | $13,375 | $14,201 | 1.88% |
|---|
| 2020-21 | $13,144 | $14,300 | -1.73% |
|---|
| 2021-22 | $13,270 | $14,300 | 0.96% |
|---|
| 2022-23 | $13,556 | $14,300 | 2.16% |
|---|
| 2023-24 | $13,854 | $14,300 | 2.20% |
|---|
| 2024-25 | $13,812 | $14,581 | -0.30% |
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Compare Tuition Change to Similar Colleges
The following table compares 2025 tuition and increase rate from last year between Idaho State University and similar schools.
| 2025 | 2024 | Increase Rate |
|---|
| Idaho State University | $27,720
($8,610) | $27,466
($8,356) | 0.92% |
|---|
|
| Eastern Washington University | $26,583
($8,586) | $25,892
($8,353) | 2.67% |
|---|
|
| Portland State University | $29,136
($11,118) | $28,257
($10,617) | 3.11% |
|---|
|
| Northern Arizona University | $20,044
($12,619) | $19,015
($12,238) | 5.41% |
|---|
|
| Montana State University | $33,287
($8,460) | $31,337
($8,083) | 6.22% |
|---|
|
| California State University-Sacramento | $20,618
($8,018) | $19,482
($7,602) | 5.83% |
|---|
|