Cost of Living: Illinois vs South Carolina
South Carolina is cheaper for a single adult by about $81/month, mainly driven by rent.
Comparison at a glance
- Monthly difference$81/moSouth Carolina saves vs Illinois
- Housing difference$100/moSouth Carolina cheaper on 1BR rent
- Grocery difference$4/moIllinois has a lighter basket
- Equivalent salary≈ $77,000$75,000 in South Carolina → Illinois
- Cheaper overallSouth Carolina~3% lower single-adult budget
- Affordability winnerSouth CarolinaLower combined rent + essentials
Side-by-side single-adult budget
The big differences between Illinois and South Carolina 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 South Carolina actually pull ahead.
- Cheaper overallTie
Illinois and South Carolina have similar single-adult monthly totals.
- Better housing affordabilitySouth Carolina
Average 1BR rent is $1,300 vs $1,400.
- 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 workersTie
Cost index and income tax are close — neither side gives remote workers a meaningful edge.
- 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
South Carolina runs about 8% cheaper on housing than Illinois — noticeable, but not a deciding factor on its own.
- Daily spending
Groceries costs are essentially the same in both regions — within a few percent.
- Transport & utilities
Transport + utilities costs are essentially the same in both regions — within a few percent.
- Lifestyle
Lifestyle (dining + extras) costs are essentially the same in both regions — within a few percent.
Purchasing power snapshot
Which region stretches a dollar further, category by category.
- Housingslight advantageSouth Carolina
South Carolina is the cheaper place to rent or own.
- GroceriestieTied
Grocery baskets cost about the same.
- UtilitiestieTied
Power, water, and internet land close.
- TransporttieTied
Commuting and fuel costs are similar.
- HealthcaretieTied
Out-of-pocket healthcare is comparable.
- LifestyletieTied
Dining and discretionary spend land in the same range.
Who benefits more?
The same comparison reads very differently depending on the household.
- FamiliesTie
Family budgets are similar in both regions.
- SinglesTie
Single-adult monthly totals are close.
- RetireesTie
Housing, healthcare, and tax pressure look similar.
- Remote workersTie
Cost arbitrage is roughly neutral between the two.
- StudentsSouth Carolina
Lower rent and commuting costs make South Carolina 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 South Carolina.
needed in Illinois for the same lifestyle.
needed in Illinois for the same lifestyle.
needed in Illinois for the same lifestyle.
Housing affordability
South Carolina is noticeably more affordable on rent — about $100/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 | Illinois | South Carolina | Lower |
|---|---|---|---|
| Housing (1BR rent) | $1,400 | $1,300 | South Carolina |
| Groceries | $395 | $399 | Tied |
| Utilities | $183 | $185 | Tied |
| Transportation | $451 | $456 | Tied |
| Healthcare | $301 | $304 | Tied |
| Top income tax | 0.0% | 0.1% | Tied |
| Lifestyle (dining + extras) | $470 | $475 | Tied |
Comparison FAQ
- Is Illinois more expensive than South Carolina?
- Illinois and South Carolina cost about the same per month for a single adult.
- How much salary do I need to move from South Carolina to Illinois?
- If $100,000 supports your lifestyle in South Carolina, you'd need roughly $102,500 in Illinois to maintain the same purchasing power.
- Which region offers better affordability?
- South Carolina comes out lower on the combined single-adult budget — about $81/mo cheaper than Illinois.
- Is housing significantly cheaper in one of them?
- South Carolina is noticeably more affordable on rent — about $100/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 Illinois?
- Roughly $60,000/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
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- Illinois vs Kentucky cost of living
- South Carolina vs North Carolina 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.