Salary Comparison

Data Scientist Salary:
Chicago, IL vs Paris

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

Chicago, IL
$144,487
/ year
+34%
difference
Paris
$107,684
/ year
Bottom line: Chicago wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
Chicago
Paris
Median Gross Salary
Annual, before tax
$144,487✓ higher
$107,684
Entry Level
0–2 years experience
$93,439✓ higher
$71,447
Senior Level
8+ years experience
$223,424✓ higher
$162,299
Est. Take-Home Pay
After income tax + FICA
$97,917✓ higher
$73,225
Purchasing Power
Equivalent in median-CoL city
$125,641✓ higher
$84,128
Cost of Living Index
Relative to US median (1.00)
1.15×✓ lower
1.28×
Percentile 10 (Low)
Bottom 10% of earners
$93,439✓ higher
$65,731
Percentile 90 (High)
Top 10% of earners
$223,424✓ higher
$149,315

What if you move from Chicago to Paris?

Gross salary change
$36,803
34% decrease
Take-home change
$24,692
per year after tax
Purchasing power change
$41,513
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00×). Full methodology →

Salary Range Comparison

Chicago, IL$144,487
P10: $93,439Median: $144,487P90: $223,424
Paris$107,684
P10: $65,731Median: $107,684P90: $149,315

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Frequently Asked Questions

▶Does a Data Scientist earn more in Chicago or Paris?

The median Data Scientist salary in Chicago, IL is $144,487/yr compared to €99,069/yr in Paris. Chicago pays 34% more in gross terms.

▶Is a Data Scientist salary worth more in Chicago or Paris after cost of living?

After adjusting for local cost of living, your Chicago salary has the purchasing power of $125,641/yr in a median-cost city, vs $84,128/yr for Paris. Chicago offers stronger real purchasing power.

▶What is the take-home pay for a Data Scientist in Chicago vs Paris?

After estimated taxes, a Data Scientist in Chicago, IL takes home approximately $97,917/yr, vs $73,225/yr in Paris. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.