Salary Guide 2026

Senior Data Scientist Salary in Philadelphia

Average salary range: $105,570 - $175,950 per year

Senior Data Scientist pay in Philadelphia typically lands around $140,760 (roughly $105,570–$175,950). Philadelphia cost-of-living index is about 103 vs a US 100 baseline. City wage tax is a real take-home hit even when rent is moderate. Local demand clusters around healthcare and education — employers such as Comcast and Penn Medicine set a lot of the comps. Center City hybrid is common; hospitals are on-site. This 2026 guide breaks compensation by level, what actually moves offers, and how to negotiate without guessing.

Salary Breakdown

25th Percentile

$123K

Median

$141K

75th Percentile

$158K

Top Earners

$176K+

$106K$141K (median)$176K

Factors That Affect Senior Data Scientist Salary in Philadelphia

Experience Level

Entry-level: -20%, Mid-level: baseline, Senior: +30-50%, Lead/Manager: +50-80%

Company Size & Type

Big Tech & Finance typically pay 20-40% above market. Startups may offer equity compensation.

Cost of Living

Philadelphia COL index is about 103 (US 100). City wage tax is a real take-home hit even when rent is moderate. Local demand clusters around healthcare and education (Comcast, Penn Medicine).

Skills That Increase Senior Data Scientist Salary

Machine Learning

Python

SQL

Experimental Design

Statistical Modeling

A/B Testing

Feature Engineering

Model Deployment

Causal Inference

Mentoring

Stakeholder Communication

How to Negotiate Your Senior Data Scientist Salary in Philadelphia

Anchor with Philadelphia comps, not a national average that ignores COL index 103
Know your worth based on skills such as Machine Learning, Python, SQL
Let the employer make the first offer when possible
Negotiate total compensation, not just base salary
Be prepared to walk away if the offer doesn't meet your minimum
Get any verbal offers in writing before accepting
Consider timing—negotiate after receiving the offer but before accepting
Practice your negotiation pitch beforehand

Senior Data Scientist Job Market Outlook in Philadelphia

Demand for Senior Data Scientists in Philadelphia into 2026 tracks healthcare and education. Center City hybrid is common; hospitals are on-site.

The career trajectory for Senior Data Scientists in Philadelphia still supports 5–10% annual movement early on, with larger jumps into senior or lead seats—especially in healthcare.

Frequently Asked Questions

What is the average Senior Data Scientist salary in Philadelphia?

The average Senior Data Scientist salary in Philadelphia is approximately $140,760 per year. Salaries range from $105,570 for entry-level positions to $175,950+ for senior roles with specialized skills.

Is Philadelphia a good city for Senior Data Scientist jobs?

Philadelphia offers competitive salaries for Senior Data Scientist positions. Consider the cost of living, job market size, industry presence, and quality of life when evaluating opportunities in Philadelphia.

How does Senior Data Scientist salary in Philadelphia compare to other cities?

Senior Data Scientist salaries in Philadelphia are among the highest compared to national averages. Major tech hubs like San Francisco and New York typically offer higher salaries but also have higher costs of living.

What factors affect Senior Data Scientist salary in Philadelphia?

Key factors include: years of experience, specialized skills and certifications, company size and industry, education level, negotiation skills, and current market demand. Remote work has also impacted salary expectations in many markets. In Philadelphia, also weigh COL index 103 and healthcare demand.

How can I negotiate a higher Senior Data Scientist salary in Philadelphia?

Research market rates using multiple sources, quantify your achievements, highlight specialized skills, consider total compensation (equity, benefits, bonuses), be prepared to walk away, and practice your negotiation pitch. Timing matters - negotiate after receiving the offer but before accepting. In Philadelphia, also weigh COL index 103 and healthcare demand.

What is the entry-level Senior Data Scientist salary in Philadelphia?

Entry-level Senior Data Scientist positions in Philadelphia typically start around $89,734.5 to $105,570 per year. This can vary based on education, internship experience, and the hiring company.

What is the senior Senior Data Scientist salary in Philadelphia?

Senior Senior Data Scientist professionals in Philadelphia can earn $158,355 to $175,950+ per year. Lead and principal-level roles may exceed these figures, especially at top companies.

Do Senior Data Scientists get bonuses in Philadelphia?

Many Senior Data Scientist positions in Philadelphia include bonuses as part of compensation. Typical bonus structures include annual performance bonuses (10-20% of salary), signing bonuses, and profit-sharing. Tech companies may also offer equity compensation.