Cost of College in Idaho
What does college cost in Idaho?
In-state public tuition and fees average $8,336 (rank 11 of 51), out-of-state $26,403, private nonprofit $25,966. The all-in four-year in-state public total is about $89,141. The least expensive public option is Lewis-Clark State College at $7,388.
Average charges, four-year totals, named institutional extremes, and flagship net prices for Idaho, computed from the federal IPEDS file.
Updated October 22, 2026
Idaho sits in the least expensive third of states for public college: its average in-state tuition and fees of $8,336 rank 11 of 51 jurisdictions, 21% below the national average of $10,525. All figures on this page are computed from the federal IPEDS file for Idaho: 4 public and 4 private nonprofit four-year institutions, charges for academic year 2023-24, net prices for 2022-23. Living allowances (room, board, books) are the averages institutions report for their own budgets; the guide to what cost of attendance includes explains each component.
| Average annual charge, Idaho four-year institutions (IPEDS 2023-24) | Public in-state | Public out-of-state | Private nonprofit |
|---|---|---|---|
| Tuition and fees | $8,336 | $26,403 | $25,966 |
| Housing and food (school-reported average) | $11,811 | $11,811 | $10,579 |
| Books and supplies | $1,160 | $1,160 | $1,160 |
| Four-year total at 3% annual increases | $89,141 | $164,726 | $157,744 |
The nonresident question in Idaho is a 3.2-times question. Out-of-state students at the state's publics pay $26,403 on average against the resident $8,336, a premium of $18,067 a year that compounds to roughly $75,584 across a degree. Premiums of this shape are a policy choice dressed as a price: Idaho's publics are funded to serve residents first, and the premium is how that priority is invoiced to everyone else.
How Idaho compares
Inside the state, the public price is not one price. The least expensive public four-year institution in the federal file, Lewis-Clark State College, published $7,388 of tuition and fees; the most expensive, University of Idaho, published $8,816, a spread of 1.2 to 1 between two degrees that both say Idaho public on the diploma. Across 4 public four-year institutions, exactly where a student lands inside that spread is a six-figure four-year decision once living costs follow the same pattern, which they usually do.
Net price at University of Idaho
The flagship test shows what aid does to the sticker at the state's best-known institution, University of Idaho in Moscow. Its published in-state tuition and fees are $8,816, yet the median net price paid by aided first-year students overall is $14,377, and by family income the schedule runs:
| Family income | Median net price at University of Idaho |
|---|---|
| Up to $30,000 | $9,930 |
| $30,001-$48,000 | $11,390 |
| $48,001-$75,000 | $12,902 |
| $75,001-$110,000 | $16,256 |
| Over $110,000 | $18,322 |
The shape of that schedule is the institution's aid policy in one column: the lowest-income students pay $9,930, the highest-income pay $18,322, a ratio of 1.8 to 1. A steep schedule (high ratio) means the flagship spends heavily to pull low-income students in and charges affluent families nearer the sticker; a flat one means aid is spread thin or merit-driven. Idaho families should read their own bracket's figure as the flagship's realistic price and the sticker as its ceiling, then repeat the exercise for the other schools on their list using each school's mandated net price calculator.
The four-year view in Idaho
Stretch the Idaho averages across a degree and the ordering of choices changes. The four-year in-state public total, $89,141, works out to about $1,857 per month of enrollment, against a national equivalent of $100,787; the out-of-state public total of $164,726 and the private total of $157,744 bracket it. Notice what four years does to small differences: a $1,000 annual gap in tuition is a $4,184 gap by graduation, so the 'close enough' school choices families wave through in March are five-figure decisions wearing a four-figure disguise.
Translate the flagship's schedule into discounts and its policy sharpens. Against a full published year at University of Idaho of about $21,787 (in-state tuition, housing, food, books), the lowest-income median net of $9,930 represents roughly 54% of the cost covered by grant aid, while the top bracket's $18,322 still sits below the full figure. The middle bracket pays $12,902, which is $2,972 more than the lowest bracket: in Idaho, as nationally, the aid cliff is not a cliff but a staircase, and the middle steps are where family budgets should focus.
The institutional landscape shapes every figure above. Idaho families choose among 4 public and 4 private nonprofit four-year institutions in the federal file. The flagship premium is visible in its own sticker: University of Idaho publishes $8,816 of in-state tuition and fees, 1.1 times the state public average, the price of the research flagship's scale and selectivity. At the other end, the least expensive public sits at $7,388, about 89% of the state average, which is why 'attend a public in Idaho' describes price experiences that differ by more than the entire private-public gap in some other states.
Ways Idaho students lower the published bill
The largest lever remains the living arrangement, because housing and food average $11,811 a year at Idaho publics, more than tuition itself here. A student who can live at home converts the $21,307 sticker year into a $9,496 commuting year before aid. The second lever is sequencing: community college transfer pathways, priced in our school section, harvest the same general-education credits at a fraction of the $8,336 average before the four-year meter starts.
Regional exchange. Idaho participates in the Western Undergraduate Exchange (WUE), under which residents can attend participating public institutions in other western states at no more than 150% of the host's in-state tuition, a discount that matters when the target program is across a state line, and under which students from other WUE states receive the same treatment at Idaho publics. WUE seats are limited and not every major qualifies, so the discount is applied for, not assumed.
The bottom line for Idaho: budget $89,141 for the average in-state public degree before aid, expect the flagship's aided families to land between $9,930 and $18,322 a year by income, and treat Lewis-Clark State College at $7,388 of tuition as the floor the whole system is priced above.
College costs in other states
Compare Idaho with the other state pages in this section, each with the same IPEDS breakdown of average charges, four-year totals, named institutional extremes, and flagship net prices, or return to the College cost hub for the calculators and the national state table:
Alabama · Alaska · Arizona · Arkansas · California · Colorado · Connecticut · Delaware · District of Columbia · Florida · Georgia · Hawaii · Illinois · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · Rhode Island · South Carolina · South Dakota · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming
Frequently asked questions
How much does college cost in Idaho?
On IPEDS 2023-24 averages: $8,336 a year of tuition and fees in-state at publics, $26,403 out-of-state, and $25,966 at private nonprofits. The all-in four-year in-state public total with housing, food, and books at 3% annual increases is about $89,141.
What is the cheapest public college in Idaho?
Lewis-Clark State College, at $7,388 of tuition and fees in the 2023-24 federal file, the lowest among the state's 4 public four-year institutions. The most expensive is University of Idaho at $8,816.
How much aid does University of Idaho give?
Its median net price for aided first-year students is $14,377 against published in-state tuition and fees of $8,816. By income, the median runs from $9,930 (up to $30,000) to $18,322 (over $110,000) in the IPEDS 2022-23 data.
Is Idaho a good state for out-of-state students?
That depends on the premium: nonresidents pay 3.2 times the resident tuition at Idaho publics on average ($26,403 vs $8,336). Regional exchange participation can cut that premium substantially for eligible programs, as described on this page.