Cost of Living: Idaho vs Montana
Montana is cheaper for a single adult by about $93/month, mainly driven by rent.
Comparison at a glance
- Monthly difference$93/moMontana saves vs Idaho
- Housing difference$150/moMontana cheaper on 1BR rent
- Grocery difference$12/moIdaho has a lighter basket
- Equivalent salary≈ $77,500$75,000 in Montana → Idaho
- Cheaper overallMontana~3% lower single-adult budget
- Affordability winnerMontanaLower combined rent + essentials
Side-by-side single-adult budget
The big differences between Idaho and Montana come down to rent and tax. Groceries, transport, and utilities are usually within 10–15%; housing can swing the total by hundreds of dollars per month.
Cost of Living Verdict
Six quick takes on where Idaho and Montana actually pull ahead.
- Cheaper overallMontana
Montana runs about $93/mo lower for a single-adult budget (~3% cheaper).
- Better housing affordabilityMontana
Average 1BR rent is $1,100 vs $1,250.
- Better for familiesTie
Family-of-four budgets land in the same ballpark.
- Better for retireesTie
Healthcare, rent, and tax pressure are comparable for fixed-income retirees.
- Better for remote workersIdaho
Idaho has a lower cost index (99 vs 102), so an out-of-state salary stretches further.
- Better purchasing powerIdaho
Idaho has a stronger median-income-to-cost ratio — local wages cover more of the typical basket.
What this difference means in practice
The headline gap broken into the four buckets that actually move household budgets.
- Housing impact
Montana is roughly 14% cheaper on housing (~$150/mo less than Idaho) — compounds quickly across a year.
- Daily spending
Idaho runs about 3% cheaper on groceries than Montana — noticeable, but not a deciding factor on its own.
- Transport & utilities
Idaho runs about 3% cheaper on transport + utilities than Montana — noticeable, but not a deciding factor on its own.
- Lifestyle
Idaho runs about 3% cheaper on lifestyle (dining + extras) than Montana — noticeable, but not a deciding factor on its own.
Purchasing power snapshot
Which region stretches a dollar further, category by category.
- Housingmoderate advantageMontana
Montana is the cheaper place to rent or own.
- GroceriestieTied
Grocery baskets cost about the same.
- Utilitiesslight advantageIdaho
Lower monthly utility load in Idaho.
- Transportslight advantageIdaho
Cheaper commuting overall in Idaho.
- HealthcaretieTied
Out-of-pocket healthcare is comparable.
- Lifestyleslight advantageIdaho
Dining, entertainment, and extras are cheaper in Idaho.
Who benefits more?
The same comparison reads very differently depending on the household.
- FamiliesTie
Family budgets are similar in both regions.
- SinglesMontana
Cheaper 1BR rent and entertainment costs tilt to Montana.
- RetireesTie
Housing, healthcare, and tax pressure look similar.
- Remote workersIdaho
An out-of-state salary stretches further in Idaho thanks to a lower cost index.
- StudentsMontana
Lower rent and commuting costs make Montana easier on a tight student budget.
- High earnersIdaho
Idaho blends a more efficient tax load with stronger local incomes.
Equivalent lifestyle salary
How much you'd need in Idaho to match the lifestyle a given salary buys in Montana.
needed in Idaho for the same lifestyle.
needed in Idaho for the same lifestyle.
needed in Idaho for the same lifestyle.
Housing affordability
Montana is noticeably more affordable on rent — about $150/mo cheaper for a 1BR.
Ownership affordability follows the same shape: lower rents typically signal more attainable mortgage payments at similar incomes.
Category-by-category
| Category | Idaho | Montana | Lower |
|---|---|---|---|
| Housing (1BR rent) | $1,250 | $1,100 | Montana |
| Groceries | $416 | $428 | Tied |
| Utilities | $193 | $199 | Idaho |
| Transportation | $475 | $490 | Idaho |
| Healthcare | $317 | $326 | Tied |
| Top income tax | 0.1% | 0.1% | Tied |
| Lifestyle (dining + extras) | $495 | $510 | Idaho |
Comparison FAQ
- Is Idaho more expensive than Montana?
- Idaho is roughly 3% more expensive than Montana for a single-adult monthly budget — about $93 more per month.
- How much salary do I need to move from Montana to Idaho?
- If $100,000 supports your lifestyle in Montana, you'd need roughly $103,000 in Idaho to maintain the same purchasing power.
- Which region offers better affordability?
- Montana comes out lower on the combined single-adult budget — about $93/mo cheaper than Idaho.
- Is housing significantly cheaper in one of them?
- Montana is noticeably more affordable on rent — about $150/mo cheaper for a 1BR.
- Can a remote worker benefit from moving?
- Both regions land close on cost index and tax — relocation arbitrage is modest for remote workers.
- What income is considered comfortable in Idaho?
- Roughly $59,000/yr gross typically supports a comfortable single-adult lifestyle in Idaho, leaving room for savings on top of monthly costs.
Related cost-of-living comparisons
- Idaho vs Washington cost of living
- Idaho vs Oregon cost of living
- Idaho vs Nevada cost of living
- Idaho vs Utah cost of living
- Idaho vs Wyoming cost of living
- Montana vs North Dakota cost of living
- Montana vs South Dakota cost of living
- Montana vs Wyoming cost of living
- Montana vs Washington cost of living
- Montana vs Oregon cost of living
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These estimates are approximate and may vary by city, taxes, rent, family size, and personal spending. Use them as a starting point, not a substitute for personalised financial or tax advice.