Seoul wins overall by ~13% (COL index)
Cost of living: Rockford vs Seoul (2026)
A $75,000 salary in Rockford buys roughly what $66,311 does in Seoul (COL-adjusted). Your real trade-offs are taxes, rent, and day-to-day prices — we break them down and personalize below.
Your move simulator
Slide to match your household — estimates combine take-home, rent, and groceries.
Estimated annual swing
+$5,988/yr
Favoring Rockford for this income & household (illustrative).
With the extra $499/mo, you could pay down a $15,000 card balance in ~31 months and still keep ~$60/mo for dining out.
Studio rent/mo
1BR rent/mo
2BR rent/mo
Median home price
Groceries index (100 = US avg)
Budget meal (1 person)
Mid-range dinner (2)
Monthly transit pass/mo
Gas price/gal
Car insurance/mo
Monthly utilities bundle/mo
Internet/mo
Median household income/yr
State income tax%
Sales tax (combined)%
Movie ticket
Gym membership/mo
Beer at restaurant
Overall COL index (100 = US avg)
Walk score / 100
| Category | Rockford Illinois | Seoul Seoul Capital Area | Who wins | Your impact at $75K |
|---|---|---|---|---|
| 🏠 HousingQ1 2026 | ||||
| Studio rent/mo | $850 | $650Wins | Seoul wins −$200/mo | $2,400/yr saves in Seoul |
| 1BR rent/mo | $1,050 | $900Wins | Seoul wins −$150/mo | $1,800/yr saves in Seoul |
| 2BR rent/mo | $1,400Better | $1,400 | — | — |
| Median home price | $175K | — | — | — |
| 🛒 Food & GroceriesQ1 2026 | ||||
| Groceries index (100 = US avg) | 94 | — | — | — |
| Budget meal (1 person) | $11 | $8Wins | Seoul wins −$3/mo | — |
| Mid-range dinner (2) | $48 | $35Wins | Seoul wins −$13/mo | — |
| 🚌 TransportationQ1 2026 | ||||
| Monthly transit pass/mo | $50 | — | — | — |
| Gas price/gal | $3.05 | — | — | — |
| Car insurance/mo | $148 | — | — | — |
| ⚡ UtilitiesQ1 2026 | ||||
| Monthly utilities bundle/mo | $158 | $80Wins | Seoul wins −$78/mo | $936/yr saves in Seoul |
| Internet/mo | $58 | $25Wins | Seoul wins −$33/mo | $396/yr saves in Seoul |
| 💰 Income & TaxesQ1 2026 | ||||
| Median household income/yr | $47K | — | — | — |
| State income tax% | 5.0%Wins | 15.0% | Rockford wins +10.0 pp | $7,500/yr saves in Rockford |
| Sales tax (combined)% | 8.5%Wins | 10.0% | Rockford wins +1.5 pp | — |
| 🎬 LeisureQ1 2026 | ||||
| Movie ticket | $13.00 | — | — | — |
| Gym membership/mo | $33Wins | $55 | Rockford wins +$22/mo | $264/yr saves in Rockford |
| Beer at restaurant | $5.00 | — | — | — |
| 📊 OverviewQ1 2026 | ||||
| Overall COL index (100 = US avg) | 82 | 73Better | Seoul wins -10 | — |
| Walk score / 100 | 34 | 85Wins | Seoul wins +51 more/yr | — |
Complete the Picture
While you’re comparing — don’t leave money on the table.
Tax-smart rewards
Turn ~$7,500/yr tax differences into cash back
Seoul fits your move math — cash-back cards stack on groceries, gas, and dining you're already doing.
Home + auto bundle
New state — new insurance rates
Bundling often saves hundreds/yr. Compare before you sign a lease in Seoul.
High-yield savings
Grow your move fund while you shop for homes
Don't let relocation cash sit at 0% — put it to work until closing day.
More ways to compare this move
Ready to move?
Open the full interactive tool to add up to 5 cities, drop in your salary, and see rent burden.
Open full interactive toolComplete the Picture
While you’re comparing — don’t leave money on the table.
If cash is tight
Knock down high-interest debt first
A move has upfront costs — a balance transfer or personal loan can lower APR while you settle in.
If you're saving big
Invest the surplus on autopilot
Brokerages and robo-advisors help you dollar-cost average into the market with your new slack.
Frequently asked questions
Is Rockford cheaper than Seoul?
No. Seoul is 13% cheaper than Rockford based on overall cost of living indices (73 vs 82, where 100 = US average).
What is the average rent in Rockford vs Seoul?
As of Q1 2026, the median 1-bedroom rent in Rockford is $1,050/month and in Seoul is $900/month. Rockford is more expensive by 17%.
How much do I need to earn in Seoul to match a $75,000 salary in Rockford?
To maintain a similar lifestyle, you would need approximately $66,311/year in Seoul to match a $75,000 salary in Rockford. This estimate is based on overall cost of living indices and does not account for individual spending patterns.
Which city has lower taxes — Rockford or Seoul?
Rockford has the lower state income tax rate at 5% vs 15%. The difference is 10.0 percentage points. Note that sales tax and local taxes also vary — see the full breakdown in the table above.
Is it worth moving from Rockford to Seoul?
It depends on your priorities. Seoul offers lower overall costs, but both cities have different job markets, weather, and lifestyle trade-offs. Use the comparison table above to evaluate rent, groceries, transportation, and income potential side by side based on your specific budget.
Data sourced from Zillow, BLS, Numbeo, Tax Foundation, and US Census ACS · Updated Q1 2026 · For general guidance only
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Salary equivalent: Rockford ↔ Seoul
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