Salary Comparison

Frontend Developer Salary:
Boston, MA vs Philadelphia, PA

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

Boston, MA
$187,864
/ year
+29%
difference
Philadelphia, PA
$145,173
/ year
Bottom line: Philadelphia offers better purchasing power despite Boston paying more gross. How is this calculated? →
Metric
Boston
Philadelphia
Median Gross Salary
Annual, before tax
$187,864✓ higher
$145,173
Entry Level
0–2 years experience
$121,491✓ higher
$93,883
Senior Level
8+ years experience
$290,498✓ higher
$224,484
Est. Take-Home Pay
After income tax + FICA
$125,569✓ higher
$98,331
Purchasing Power
Equivalent in median-CoL city
$134,189
$134,419✓ higher
Cost of Living Index
Relative to US median (1.00)
1.40×
1.08×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$121,491✓ higher
$93,883
Percentile 90 (High)
Top 10% of earners
$290,498✓ higher
$224,484

What if you move from Boston to Philadelphia?

Gross salary change
$42,691
29% decrease
Take-home change
$27,238
per year after tax
Purchasing power change
+$230
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

Boston, MA$187,864
P10: $121,491Median: $187,864P90: $290,498
Philadelphia, PA$145,173
P10: $93,883Median: $145,173P90: $224,484

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Frequently Asked Questions

▶Does a Frontend Developer earn more in Boston or Philadelphia?

The median Frontend Developer salary in Boston, MA is $187,864/yr compared to $145,173/yr in Philadelphia, PA. Boston pays 29% more in gross terms.

▶Is a Frontend Developer salary worth more in Boston or Philadelphia after cost of living?

After adjusting for local cost of living, your Boston salary has the purchasing power of $134,189/yr in a median-cost city, vs $134,419/yr for Philadelphia. Philadelphia offers stronger real purchasing power.

▶What is the take-home pay for a Frontend Developer in Boston vs Philadelphia?

After estimated taxes, a Frontend Developer in Boston, MA takes home approximately $125,569/yr, vs $98,331/yr in Philadelphia, PA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.