Salary Comparison

Software 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
$212,359
/ year
+35%
difference
Philadelphia, PA
$156,912
/ year
Bottom line: Washington DC wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
Washington DC
Philadelphia
Median Gross Salary
Annual, before tax
$212,359✓ higher
$156,912
Entry Level
0–2 years experience
$137,332✓ higher
$101,474
Senior Level
8+ years experience
$328,376✓ higher
$242,637
Est. Take-Home Pay
After income tax + FICA
$142,226✓ higher
$105,416
Purchasing Power
Equivalent in median-CoL city
$149,549✓ higher
$145,289
Cost of Living Index
Relative to US median (1.00)
1.42×
1.08×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$137,332✓ higher
$101,474
Percentile 90 (High)
Top 10% of earners
$328,376✓ higher
$242,637

What if you move from Washington DC to Philadelphia?

Gross salary change
$55,447
35% decrease
Take-home change
$36,810
per year after tax
Purchasing power change
$4,260
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

Washington DC, DC$212,359
P10: $137,332Median: $212,359P90: $328,376
Philadelphia, PA$156,912
P10: $101,474Median: $156,912P90: $242,637

More Software Engineer salary comparisons

Washington DC vs New YorkWashington DC vs Los AngelesWashington DC vs ChicagoWashington DC vs HoustonWashington DC vs PhoenixWashington DC vs San AntonioAll Software Engineer salaries →

Frequently Asked Questions

▶Does a Software Engineer earn more in Washington DC or Philadelphia?

The median Software Engineer salary in Washington DC, DC is $212,359/yr compared to $156,912/yr in Philadelphia, PA. Washington DC pays 35% more in gross terms.

▶Is a Software 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 $149,549/yr in a median-cost city, vs $145,289/yr for Philadelphia. Washington DC offers stronger real purchasing power.

▶What is the take-home pay for a Software Engineer in Washington DC vs Philadelphia?

After estimated taxes, a Software Engineer in Washington DC, DC takes home approximately $142,226/yr, vs $105,416/yr in Philadelphia, PA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.