Cost of Living: Illinois vs Missouri
Missouri is cheaper for a single adult by about $445/month, mainly driven by rent.
Comparison at a glance
- Monthly difference$445/moMissouri saves vs Illinois
- Housing difference$350/moMissouri cheaper on 1BR rent
- Grocery difference$21/moMissouri has a lighter basket
- Equivalent salary≈ $87,000$75,000 in Missouri → Illinois
- Cheaper overallMissouri~16% lower single-adult budget
- Affordability winnerMissouriLower combined rent + essentials
Side-by-side single-adult budget
The big differences between Illinois and Missouri 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 Illinois and Missouri actually pull ahead.
- Cheaper overallMissouri
Missouri runs about $445/mo lower for a single-adult budget (~16% cheaper).
- Better housing affordabilityMissouri
Average 1BR rent is $1,050 vs $1,400.
- Better for familiesMissouri
Missouri keeps the family-of-four monthly total lower thanks to cheaper 2BR rent and groceries.
- Better for retireesMissouri
Missouri combines lower rent and healthcare with a softer income-tax burden — easier on a fixed pension.
- Better for remote workersMissouri
Missouri has a lower cost index (89 vs 94), so an out-of-state salary stretches further.
- Better purchasing powerIllinois
Illinois 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
Missouri is roughly 33% cheaper on housing (~$350/mo less than Illinois) — compounds quickly across a year.
- Daily spending
Missouri runs about 6% cheaper on groceries than Illinois — noticeable, but not a deciding factor on its own.
- Transport & utilities
Missouri runs about 5% cheaper on transport + utilities than Illinois — noticeable, but not a deciding factor on its own.
- Lifestyle
Missouri runs about 6% cheaper on lifestyle (dining + extras) than Illinois — noticeable, but not a deciding factor on its own.
Purchasing power snapshot
Which region stretches a dollar further, category by category.
- Housingstrong advantageMissouri
Missouri is the cheaper place to rent or own.
- Groceriesslight advantageMissouri
Weekly grocery basket is lighter in Missouri.
- Utilitiesslight advantageMissouri
Lower monthly utility load in Missouri.
- Transportslight advantageMissouri
Cheaper commuting overall in Missouri.
- Healthcareslight advantageMissouri
Lower out-of-pocket healthcare in Missouri.
- Lifestyleslight advantageMissouri
Dining, entertainment, and extras are cheaper in Missouri.
Who benefits more?
The same comparison reads very differently depending on the household.
- FamiliesMissouri
Lower 2BR rent and grocery load make Missouri the easier family budget.
- SinglesMissouri
Cheaper 1BR rent and entertainment costs tilt to Missouri.
- RetireesMissouri
Missouri eases housing and healthcare — important on a fixed income.
- Remote workersMissouri
An out-of-state salary stretches further in Missouri thanks to a lower cost index.
- StudentsMissouri
Lower rent and commuting costs make Missouri easier on a tight student budget.
- High earnersIllinois
Illinois blends a more efficient tax load with stronger local incomes.
Equivalent lifestyle salary
How much you'd need in Illinois to match the lifestyle a given salary buys in Missouri.
needed in Illinois for the same lifestyle.
needed in Illinois for the same lifestyle.
needed in Illinois for the same lifestyle.
Housing affordability
Housing is the dominant gap: Missouri runs roughly 33% cheaper on 1BR rent and 36% cheaper on 2BR — enough to reshape household budgets.
Ownership affordability follows the same shape: lower rents typically signal more attainable mortgage payments at similar incomes.
Category-by-category
| Category | Illinois | Missouri | Lower |
|---|---|---|---|
| Housing (1BR rent) | $1,400 | $1,050 | Missouri |
| Groceries | $395 | $374 | Missouri |
| Utilities | $183 | $174 | Missouri |
| Transportation | $451 | $427 | Missouri |
| Healthcare | $301 | $285 | Missouri |
| Top income tax | 0.0% | 0.0% | Tied |
| Lifestyle (dining + extras) | $470 | $445 | Missouri |
Comparison FAQ
- Is Illinois more expensive than Missouri?
- Illinois is roughly 16% more expensive than Missouri for a single-adult monthly budget — about $445 more per month.
- How much salary do I need to move from Missouri to Illinois?
- If $100,000 supports your lifestyle in Missouri, you'd need roughly $116,000 in Illinois to maintain the same purchasing power.
- Which region offers better affordability?
- Missouri comes out lower on the combined single-adult budget — about $445/mo cheaper than Illinois.
- Is housing significantly cheaper in one of them?
- Housing is the dominant gap: Missouri runs roughly 33% cheaper on 1BR rent and 36% cheaper on 2BR — enough to reshape household budgets.
- Can a remote worker benefit from moving?
- Yes — a remote salary anchored to Illinois rates stretches further in Missouri, where local prices and taxes are lower.
- What income is considered comfortable in Illinois?
- Roughly $53,000/yr gross typically supports a comfortable single-adult lifestyle in Illinois, leaving room for savings on top of monthly costs.
Related cost-of-living comparisons
- Illinois vs Wisconsin cost of living
- Illinois vs Indiana cost of living
- Illinois vs Iowa cost of living
- Illinois vs Kentucky cost of living
- Missouri vs Iowa cost of living
- Missouri vs Kentucky cost of living
- Missouri vs Tennessee cost of living
- Missouri vs Arkansas cost of living
- Missouri vs Oklahoma cost of living
- Missouri vs Kansas 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.