Salary Comparison

AI Engineer Salary:
Chicago, IL vs San Diego, CA

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

Chicago, IL
$207,823
/ year
-12%
difference
San Diego, CA
$236,033
/ year
Bottom line: San Diego wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
Chicago
San Diego
Median Gross Salary
Annual, before tax
$207,823
$236,033✓ higher
Entry Level
0–2 years experience
$134,398
$152,641✓ higher
Senior Level
8+ years experience
$321,362
$364,983✓ higher
Est. Take-Home Pay
After income tax + FICA
$139,141
$158,181✓ higher
Purchasing Power
Equivalent in median-CoL city
$180,716
$184,401✓ higher
Cost of Living Index
Relative to US median (1.00)
1.15×✓ lower
1.28×
Percentile 10 (Low)
Bottom 10% of earners
$134,398
$152,641✓ higher
Percentile 90 (High)
Top 10% of earners
$321,362
$364,983✓ higher

What if you move from Chicago to San Diego?

Gross salary change
+$28,210
12% increase
Take-home change
+$19,040
per year after tax
Purchasing power change
+$3,685
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$207,823
P10: $134,398Median: $207,823P90: $321,362
San Diego, CA$236,033
P10: $152,641Median: $236,033P90: $364,983

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Frequently Asked Questions

▶Does a AI Engineer earn more in Chicago or San Diego?

The median AI Engineer salary in Chicago, IL is $207,823/yr compared to $236,033/yr in San Diego, CA. San Diego pays 12% more in gross terms.

▶Is a AI Engineer salary worth more in Chicago or San Diego after cost of living?

After adjusting for local cost of living, your Chicago salary has the purchasing power of $180,716/yr in a median-cost city, vs $184,401/yr for San Diego. San Diego offers stronger real purchasing power.

▶What is the take-home pay for a AI Engineer in Chicago vs San Diego?

After estimated taxes, a AI Engineer in Chicago, IL takes home approximately $139,141/yr, vs $158,181/yr in San Diego, CA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.