How Much Do Data Science Jobs Pay in McLean? (September 2026)
As of September 2026, the median data science salary in McLean is $211,200 a year. Most roles pay between $126,800 and $246,150 (the 10th–90th percentile), drawn from 276 live salaried listings across 7 companies. All figures are converted to annual US dollars so different sources compare like-for-like.
How pay has moved
Median base salary by month, from our monthly salary snapshots.
Highest-paying employers
- Senior Director, Data Science - Head of Fair Lending Analytics - Fair & Responsible Banking ComplianceSenior Staff AI EngineerSr. Staff Machine Learning EngineerSenior Director, AI Engineering -Agentic AI Platform(Remote Eligible)Senior. Distinguished AI Engineer - Agentic AI Platform (Remote Eligible)All Capital One roles →
- All Salesforce roles →
- All KBR roles →
- All Credence roles →
- Artificial Intelligence and Privacy Associate General CounselFrontier AI Research Engineer, LeadAgentic AI EngineerAI EngineerAI EngineerAll Booz Allen Hamilton Holding roles →
Employers ranked by median advertised base among those with at least two salaried listings in McLean; each one’s best-paying open roles are listed beneath it.
Methodology: data science listings in McLean with a published salary, updated daily. Figures come from roles that are open right now. Ranges and single figures are converted to an annual US-dollar midpoint; hourly rates are annualised and out-of-band values dropped. Salary data is self-reported by employers and covers the roles that disclose pay — treat it as a directional guide, not a guarantee.