Cost of Living: Montana vs South Dakota
South Dakota is cheaper for a single adult by about $342/month, mainly driven by rent.
Comparison at a glance
- Monthly difference$342/moSouth Dakota saves vs Montana
- Housing difference$150/moSouth Dakota cheaper on 1BR rent
- Grocery difference$42/moSouth Dakota has a lighter basket
- Equivalent salary≈ $84,500$75,000 in South Dakota → Montana
- Cheaper overallSouth Dakota~13% lower single-adult budget
- Affordability winnerSouth DakotaLower combined rent + essentials
Side-by-side single-adult budget
The big differences between Montana and South Dakota 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 Montana and South Dakota actually pull ahead.
- Cheaper overallSouth Dakota
South Dakota runs about $342/mo lower for a single-adult budget (~13% cheaper).
- Better housing affordabilitySouth Dakota
Average 1BR rent is $950 vs $1,100.
- Better for familiesSouth Dakota
South Dakota keeps the family-of-four monthly total lower thanks to cheaper 2BR rent and groceries.
- Better for retireesSouth Dakota
South Dakota combines lower rent and healthcare with a softer income-tax burden — easier on a fixed pension.
- Better for remote workersSouth Dakota
South Dakota has a lower cost index (92 vs 102), so an out-of-state salary stretches further.
- Better purchasing powerSouth Dakota
South Dakota 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
South Dakota is roughly 16% cheaper on housing (~$150/mo less than Montana) — compounds quickly across a year.
- Daily spending
South Dakota runs about 11% cheaper on groceries than Montana — noticeable, but not a deciding factor on its own.
- Transport & utilities
South Dakota runs about 11% cheaper on transport + utilities than Montana — noticeable, but not a deciding factor on its own.
- Lifestyle
South Dakota runs about 11% 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 advantageSouth Dakota
South Dakota is the cheaper place to rent or own.
- Groceriesmoderate advantageSouth Dakota
Weekly grocery basket is lighter in South Dakota.
- Utilitiesmoderate advantageSouth Dakota
Lower monthly utility load in South Dakota.
- Transportmoderate advantageSouth Dakota
Cheaper commuting overall in South Dakota.
- Healthcaremoderate advantageSouth Dakota
Lower out-of-pocket healthcare in South Dakota.
- Lifestylemoderate advantageSouth Dakota
Dining, entertainment, and extras are cheaper in South Dakota.
Who benefits more?
The same comparison reads very differently depending on the household.
- FamiliesSouth Dakota
Lower 2BR rent and grocery load make South Dakota the easier family budget.
- SinglesSouth Dakota
Cheaper 1BR rent and entertainment costs tilt to South Dakota.
- RetireesSouth Dakota
South Dakota eases housing and healthcare — important on a fixed income.
- Remote workersSouth Dakota
An out-of-state salary stretches further in South Dakota thanks to a lower cost index.
- StudentsSouth Dakota
Lower rent and commuting costs make South Dakota easier on a tight student budget.
- High earnersSouth Dakota
South Dakota blends a more efficient tax load with stronger local incomes.
Equivalent lifestyle salary
How much you'd need in Montana to match the lifestyle a given salary buys in South Dakota.
needed in Montana for the same lifestyle.
needed in Montana for the same lifestyle.
needed in Montana for the same lifestyle.
Housing affordability
South Dakota 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 | Montana | South Dakota | Lower |
|---|---|---|---|
| Housing (1BR rent) | $1,100 | $950 | South Dakota |
| Groceries | $428 | $386 | South Dakota |
| Utilities | $199 | $179 | South Dakota |
| Transportation | $490 | $442 | South Dakota |
| Healthcare | $326 | $294 | South Dakota |
| Top income tax | 0.1% | 0.0% | Tied |
| Lifestyle (dining + extras) | $510 | $460 | South Dakota |
Comparison FAQ
- Is Montana more expensive than South Dakota?
- Montana is roughly 13% more expensive than South Dakota for a single-adult monthly budget — about $342 more per month.
- How much salary do I need to move from South Dakota to Montana?
- If $100,000 supports your lifestyle in South Dakota, you'd need roughly $112,500 in Montana to maintain the same purchasing power.
- Which region offers better affordability?
- South Dakota comes out lower on the combined single-adult budget — about $342/mo cheaper than Montana.
- Is housing significantly cheaper in one of them?
- South Dakota is noticeably more affordable on rent — about $150/mo cheaper for a 1BR.
- Can a remote worker benefit from moving?
- Yes — a remote salary anchored to Montana rates stretches further in South Dakota, where local prices and taxes are lower.
- What income is considered comfortable in Montana?
- Roughly $52,000/yr gross typically supports a comfortable single-adult lifestyle in Montana, leaving room for savings on top of monthly costs.
Related cost-of-living comparisons
- Montana vs North Dakota cost of living
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- Montana vs Idaho cost of living
- South Dakota vs North Dakota cost of living
- South Dakota vs Minnesota cost of living
- South Dakota vs Iowa cost of living
- South Dakota vs Nebraska cost of living
- South Dakota vs Wyoming cost of living
- South Dakota vs Idaho 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.