Salary Comparison

Security Engineer Salary:
Washington DC, DC vs Philadelphia, PA

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

Washington DC, DC
$223,387
/ year
+31%
difference
Philadelphia, PA
$170,681
/ year
Bottom line: Philadelphia offers better purchasing power despite Washington DC paying more gross. How is this calculated? โ†’
Metric
Washington DC
Philadelphia
Median Gross Salary
Annual, before tax
$223,387โœ“ higher
$170,681
Entry Level
0โ€“2 years experience
$144,463โœ“ higher
$110,379
Senior Level
8+ years experience
$345,429โœ“ higher
$263,928
Est. Take-Home Pay
After income tax + FICA
$149,725โœ“ higher
$113,885
Purchasing Power
Equivalent in median-CoL city
$157,315
$158,038โœ“ higher
Cost of Living Index
Relative to US median (1.00)
1.42ร—
1.08ร—โœ“ lower
Percentile 10 (Low)
Bottom 10% of earners
$144,463โœ“ higher
$110,379
Percentile 90 (High)
Top 10% of earners
$345,429โœ“ higher
$263,928

What if you move from Washington DC to Philadelphia?

Gross salary change
$52,706
31% decrease
Take-home change
$35,840
per year after tax
Purchasing power change
+$723
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 1.00ร—). Full methodology โ†’

Salary Range Comparison

Washington DC, DC$223,387
P10: $144,463Median: $223,387P90: $345,429
Philadelphia, PA$170,681
P10: $110,379Median: $170,681P90: $263,928

Frequently Asked Questions

โ–ถDoes a Security Engineer earn more in Washington DC or Philadelphia?

The median Security Engineer salary in Washington DC, DC is $223,387/yr compared to $170,681/yr in Philadelphia, PA. Washington DC pays 31% more in gross terms.

โ–ถIs a Security Engineer salary worth more in Washington DC or Philadelphia after cost of living?

After adjusting for local cost of living, your Washington DC salary has the purchasing power of $157,315/yr in a median-cost city, vs $158,038/yr for Philadelphia. Philadelphia offers stronger real purchasing power.

โ–ถWhat is the take-home pay for a Security Engineer in Washington DC vs Philadelphia?

After estimated taxes, a Security Engineer in Washington DC, DC takes home approximately $149,725/yr, vs $113,885/yr in Philadelphia, PA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.