Epidemiologist salary in Washington
Epidemiologists in Washington earn a median of $108,240 a year ($52.04 an hour), based on BLS data for 1,010 workers.
Pay ranges from $82,980 for the lowest-paid 10% to $159,730 for the top 10%. That is 24% higher than the national median of $87,220. Washington ranks 5th of 42 states for epidemiologists pay, one of the best-paying states for this job. There are 0.29 epidemiologists per 1,000 jobs here — the job is 3.7× more common than nationally. The average (mean) salary is $118,440, above the median because a few high earners pull it up.
Pay range for epidemiologists in Washington
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $82,980 | $39.90 |
| 25th percentile | $96,760 | $46.52 |
| Median | $108,240 | $52.04 |
| 75th percentile | $130,970 | $62.96 |
| 90th percentile (top earners) | $159,730 | $76.79 |
| Average (mean) | $118,440 | $56.94 |
Half of epidemiologists earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $9,020 |
| Semi-monthly (24 a year) | $4,510 |
| Biweekly (26 a year) | $4,163.08 |
| Weekly | $2,081.54 |
| Hourly | $52.04 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Epidemiologist salary in cities in Washington
| Metro area | Median salary | Workers |
|---|---|---|
| Seattle-Tacoma-Bellevue, WA | $123,970 | 580 |
| Olympia-Lacey-Tumwater, WA | $108,240 | 330 |
| Portland-Vancouver-Hillsboro, OR-WA | $98,110 | 100 |
Highest-paying states for epidemiologists
| State | Median salary |
|---|---|
| Massachusetts | $115,890 |
| District of Columbia | $112,370 |
| California | $110,760 |
| New Jersey | $109,760 |
| Washington | $108,240 |
| Minnesota | $104,460 |
| Illinois | $102,720 |
| Maryland | $101,830 |
| Nevada | $99,880 |
| Tennessee | $97,310 |
Related jobs in Washington
| Job | Median salary | Hourly |
|---|---|---|
| Medical Scientists, Except Epidemiologists | $105,680 | $50.81 |
| Biological Scientists, All Other | $108,110 | $51.97 |
| Zoologists and Wildlife Biologists | $83,780 | $40.28 |
| Conservation Scientist | $78,450 | $37.72 |
| Forester | $78,460 | $37.72 |
| Soil and Plant Scientists | $79,970 | $38.45 |
| Microbiologist | $77,690 | $37.35 |
| Biochemists and Biophysicists | $98,840 | $47.52 |
| Food Scientists and Technologists | $94,990 | $45.67 |
| Life Scientists, All Other | $100,420 | $48.28 |
| Animal Scientist | $83,160 | $39.98 |
| Environmental Scientists and Specialists, Including Health | $98,300 | $47.26 |
| Occupational Health and Safety Specialists | $102,920 | $49.48 |
| Biological Technician | $60,800 | $29.23 |
More: Life, Physical, and Social Science Occupations · all salaries in Washington
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 19-1041. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a epidemiologist make in Washington?
The median salary for epidemiologists in Washington is $108,240 a year, or $52.04 an hour. Pay ranges from $82,980 for the lowest-paid 10% to $159,730 for the top 10%.
How much do the highest-paid epidemiologists make in Washington?
The top 10% of epidemiologists in Washington earn at least $159,730 a year. The top 25% earn $130,970 or more.
What is the starting pay for epidemiologists in Washington?
Entry-level pay (the 10th percentile) is about $82,980 a year, and a quarter of epidemiologists earn $96,760 or less.
How many epidemiologists work in Washington?
About 1,010 epidemiologists are employed in Washington, not counting the self-employed.