Salary Comparison

Information Security Analyst Salary:
Seattle, WA vs Philadelphia, PA

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

Seattle, WA
$172,221
/ year
+33%
difference
Philadelphia, PA
$129,866
/ year
Bottom line: Seattle wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
Seattle
Philadelphia
Median Gross Salary
Annual, before tax
$172,221✓ higher
$129,866
Entry Level
0–2 years experience
$111,375✓ higher
$83,984
Senior Level
8+ years experience
$266,309✓ higher
$200,815
Est. Take-Home Pay
After income tax + FICA
$114,932✓ higher
$89,094
Purchasing Power
Equivalent in median-CoL city
$121,282✓ higher
$120,246
Cost of Living Index
Relative to US median (1.00)
1.42×
1.08×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$111,375✓ higher
$83,984
Percentile 90 (High)
Top 10% of earners
$266,309✓ higher
$200,815

What if you move from Seattle to Philadelphia?

Gross salary change
$42,355
33% decrease
Take-home change
$25,838
per year after tax
Purchasing power change
$1,036
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

Seattle, WA$172,221
P10: $111,375Median: $172,221P90: $266,309
Philadelphia, PA$129,866
P10: $83,984Median: $129,866P90: $200,815

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Frequently Asked Questions

▶Does a Information Security Analyst earn more in Seattle or Philadelphia?

The median Information Security Analyst salary in Seattle, WA is $172,221/yr compared to $129,866/yr in Philadelphia, PA. Seattle pays 33% more in gross terms.

▶Is a Information Security Analyst salary worth more in Seattle or Philadelphia after cost of living?

After adjusting for local cost of living, your Seattle salary has the purchasing power of $121,282/yr in a median-cost city, vs $120,246/yr for Philadelphia. Seattle offers stronger real purchasing power.

▶What is the take-home pay for a Information Security Analyst in Seattle vs Philadelphia?

After estimated taxes, a Information Security Analyst in Seattle, WA takes home approximately $114,932/yr, vs $89,094/yr in Philadelphia, PA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.