Senior Data Scientist (AI-Specialized).
Philadelphia.
$202,000
median salary, 9% above the national average
$153,000 to $262,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
The median Senior Data Scientist (AI-Specialized) salary in Philadelphia is $202,000, 9% above the national average. Entry level starts near $153,000. Experienced professionals push past $262,000. Philadelphia combines a robust healthcare and life sciences sector with established finance and higher education institutions. That spread is your negotiation window.
Salary range
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How Philadelphia compares
Philadelphia, PA
$202,000
Cost of living: 9% above average
National Average
$185,000
Philadelphia is $17,000 above
What you should know
If you are interviewing for Senior Data Scientist (AI-Specialized) roles in Philadelphia, here is what you are walking into. Philadelphia combines a robust healthcare and life sciences sector with established finance and higher education institutions. The city's pharmaceutical corridor is among the strongest in the country. Tech growth has accelerated, particularly in health tech and enterprise software, offering salaries that stretch further than in nearby New York. Compensation depends on ability to translate business problems into ML solutions and deploy models to production. Scientists who combine statistical rigor with engineering skills earn significantly more. Domain expertise in high-value sectors like fintech, biotech, or adtech adds 10 to 20% to offers.
Junior data scientists start at $95,000 to $120,000. Mid-level roles pay $130,000 to $160,000. Senior AI-specialized scientists earn $185,000 to $240,000, and principal or staff data scientists at top firms reach $280,000 to $350,000 in total compensation. In Philadelphia, cost of living sits near the national average, so the numbers you see are roughly what you keep.
Base salary is not the full picture. Annual bonuses typically range from 10 to 15% of base salary. Equity grants vary widely, with startups offering larger percentages and public companies providing RSUs worth $40,000 to $100,000 annually. And on the tax side: pennsylvania has a flat 3.07% state income tax, but Philadelphia adds a 3.75% city wage tax for residents. This combined local burden is worth factoring into salary negotiations. When someone quotes you $202,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Account for the Philadelphia wage tax in your ask. Request a 5 to 8% premium over suburban offers to offset the city's local tax on all earned income. The range for Senior Data Scientist (AI-Specialized)s in Philadelphia runs from $153,000 to $262,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in Philadelphia
Negotiating in Philadelphia
Account for the Philadelphia wage tax in your ask. Request a 5 to 8% premium over suburban offers to offset the city's local tax on all earned income.