UIdaho's tuition & fees has increased from $21,024 (2015) to $28,320 (2025), and the rate of tuition increase is 34.70% over the past 10 years. The graduate school tuition & fees has raised from $22,226 (year 2015) to $30,052 (year 2025).
The 2025 tuition & fees are lower than last year (2024) at University of Idaho.
UIdaho'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 34.47% from 2015 ($34,298).
For the current academic year 2024-2025, UIdaho's COA is $46,119, which is increased by 2.61% from last year.
The following table and chart show changes to UIdaho's COA over the past 10 years.
Tuition & Fees Changes
The tuition & fees have increased 34.70% for the last 10 years , and the 2025 tuition & fees are $25,992. The following table and chart show the tuition & fees changes at University of Idaho over last the 10 years.
Books & Supplies Costs Changes
The cost of purchasing books & supplies which are required/recommended for courses $1,180, and it has decreased -18.51% from the year 2015 to 2025.
| Year | Books & Supplies | Change by Year |
| 2015-16 | $1,448 | - |
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| 2016-17 | $1,214 | -16.16% |
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| 2017-18 | $1,292 | 6.43% |
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| 2018-19 | $1,236 | -4.33% |
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| 2019-20 | $1,130 | -8.58% |
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| 2020-21 | $1,130 | |
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| 2021-22 | $1,232 | 9.03% |
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| 2022-23 | $1,232 | |
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| 2023-24 | $1,232 | |
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| 2024-25 | $1,180 | -4.22% |
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Living Costs Changes
The living costs including room, board, and other living expenses have increased 21.27% when a student lives on-campus facilities and 21.27% when living-off campus from the year 2015 to 2025. The following table shows the changes in living costs at University of Idaho.
| Year | Living On Campus | Living Off Campus | Change by Year |
| 2015-16 | $11,826 | $11,974 | - |
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| 2016-17 | $12,194 | $12,194 | 3.11% |
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| 2017-18 | $12,520 | $12,520 | 2.67% |
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| 2018-19 | $12,250 | $12,250 | -2.16% |
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| 2019-20 | $12,386 | $12,386 | 1.11% |
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| 2020-21 | $12,386 | $12,386 | |
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| 2021-22 | $12,682 | $12,682 | 2.39% |
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| 2022-23 | $13,218 | $13,218 | 4.23% |
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| 2023-24 | $13,932 | $13,932 | 5.40% |
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| 2024-25 | $16,619 | $16,619 | 19.29% |
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Compare Tuition Change to Similar Colleges
The following table compares 2025 tuition and increase rate from last year between University of Idaho and similar schools.
| 2025 | 2024 | Increase Rate |
| University of Idaho | $28,320 ($9,084) | $29,784 ($8,816) | -4.92% |
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| The University of Montana | $33,671 ($8,552) | $31,622 ($8,152) | 6.48% |
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| Northern Arizona University | $20,044 ($12,619) | $19,015 ($12,238) | 5.41% |
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| California State University-Sacramento | $20,618 ($8,018) | $19,482 ($7,602) | 5.83% |
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| Weber State University | $17,545 ($6,557) | $17,084 ($6,391) | 2.70% |
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| Southern Utah University | $21,192 ($6,962) | $20,586 ($6,770) | 2.94% |
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