City Comparison · 2026
South Portland vs Chicago
Salary, rent, taxes, and purchasing power compared
Purchasing Power
$100k in South Portland = $125k in Chicago
Metric
South Portland
Chicago
COL Index
✓1.10
1.38
1BR Monthly Rent
✓$1,450/mo
$2,000/mo
2BR Monthly Rent
✓$1,820/mo
$2,600/mo
State Income Tax
ME
IL
$100k Take-Home
$72,080
✓$73,786
$100k Effective Rate
27.92%
✓26.21%
$100k Savings Potential
✓$54,680
$49,786
After-Tax Income by Salary
| Gross Salary | South Portland ME | Chicago IL |
|---|---|---|
| $60,000 | $46,445 $3,870/mo · 22.59% eff. | $47,278 $3,940/mo · 21.2% eff. |
| $100,000 | $72,080 $6,007/mo · 27.92% eff. | $73,786 $6,149/mo · 26.21% eff. |
| $150,000 | $103,047 $8,587/mo · 31.3% eff. | $105,853 $8,821/mo · 29.43% eff. |
Frequently Asked Questions
Is South Portland or Chicago cheaper to live in?
South Portland has a cost-of-living index of 1.10 while Chicago is 1.38 (1.00 = US average). South Portland is cheaper overall. 1BR rent in South Portland is $1,450/month vs $2,000/month in Chicago.
How much more do you need to earn in Chicago vs South Portland?
$100k in South Portland = $125k in Chicago. Cost of living in Chicago is higher by 25.5%.
Which city has better after-tax income — South Portland or Chicago?
On a $100,000 salary, you take home $72,080 in ME (South Portland) and $73,786 in IL (Chicago). After accounting for rent, your annual savings potential is $54,680 in South Portland vs $49,786 in Chicago.
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