Biostatistician Salary in Washington
The median biostatistician salary in Washington is $109,250 per year, which is 15.0% above the national median of $95,000.
Biostatistician Salary Overview in Washington (2026)
Washington ranks #7 out of 50 states for biostatistician compensation. This places Washington in the top tier nationally, making it one of the best states for biostatisticians seeking high pay. At $109,250 per year, biostatisticians in Washington earn $14,250 more than the national median of $95,000.
It's worth noting that Washington's cost of living is 115% of the national average, which reduces the real purchasing power of the $109,250 salary. After adjusting for cost of living, the effective salary is closer to $95,000.
The salary spread in Washington is significant: biostatisticians at the 10th percentile earn $66,700, while those at the 90th percentile bring home $178,250 — a $111,550 gap that reflects differences in experience, specialization, employer type, and metro area. The highest-paying city in Washington for this role is Bellevue, where the median reaches $144,400.
Nationally, biostatistician employment is projected to grow 30% over the next decade (much faster than average). This strong growth suggests increasing demand and competitive salaries in Washington and beyond.
Biostatistician Salary in Washington by Experience
In Washington, an entry-level biostatistician earns around $71,300, while experienced professionals earn up to $170,200 per year. The cost of living index in Washington is 115% of the national average.
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View Offers You Qualify For →Salary Percentiles in Washington
| Percentile | WA Salary |
|---|---|
| 10th Percentile | $66,700 |
| 25th Percentile | $85,100 |
| Median (50th) | $109,250 |
| 75th Percentile | $144,900 |
| 90th Percentile | $178,250 |
Biostatistician Salary by City in Washington
The largest employment areas for biostatisticians in Washington include Seattle, Spokane, Tacoma, and Bellevue. Salaries vary by city based on local cost of living and demand.
How to Become a Biostatistician in Washington
Education
Most biostatistician positions require a master's degree. Washington has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Washington
Nationally, biostatistician employment is projected to grow 30% over the next decade (much faster than average). Washington's demand may vary based on local industry trends.
Negotiate Your Way to Senior Pay
Data shows Biostatisticians who negotiate earn 7–15% more. A single negotiation could add $60,950 over your career trajectory.
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