Radiation Therapist salary in Washington
Radiation Therapists in Washington earn a median of $125,880 a year ($60.52 an hour), based on BLS data for 540 workers.
Pay ranges from $98,160 for the lowest-paid 10% to $174,670 for the top 10%. That is 20% higher than the national median of $105,310. Washington ranks 5th of 46 states for radiation therapists pay, one of the best-paying states for this job. There are 0.15 radiation therapists per 1,000 jobs here — the job is 1.4× more common than nationally. The average (mean) salary is $148,520, above the median because a few high earners pull it up.
Pay range for radiation therapists in Washington
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $98,160 | $47.19 |
| 25th percentile | $108,430 | $52.13 |
| Median | $125,880 | $60.52 |
| 75th percentile | $139,190 | $66.92 |
| 90th percentile (top earners) | $174,670 | $83.98 |
| Average (mean) | $148,520 | $71.40 |
Half of radiation therapists 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 | $10,490 |
| Semi-monthly (24 a year) | $5,245 |
| Biweekly (26 a year) | $4,841.54 |
| Weekly | $2,420.77 |
| Hourly | $60.52 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Radiation Therapist salary in cities in Washington
| Metro area | Median salary | Workers |
|---|---|---|
| Seattle-Tacoma-Bellevue, WA | $133,410 | 250 |
| Portland-Vancouver-Hillsboro, OR-WA | $128,650 | 130 |
Highest-paying states for radiation therapists
| State | Median salary |
|---|---|
| California | $166,450 |
| Oregon | $131,600 |
| New York | $129,620 |
| New Jersey | $129,460 |
| Washington | $125,880 |
| Hawaii | $125,520 |
| Illinois | $124,600 |
| Connecticut | $116,170 |
| Kansas | $108,830 |
| Arizona | $108,760 |
Related jobs in Washington
| Job | Median salary | Hourly |
|---|---|---|
| Registered Nurse | $124,200 | $59.71 |
| Pharmacist | $160,610 | $77.22 |
| Nurse Practitioner | $156,100 | $75.05 |
| Dental Hygienist | $131,160 | $63.06 |
| Physicians, All Other | $307,170 | $147.68 |
| Physical Therapist | $105,950 | $50.94 |
| Speech-Language Pathologist | $105,550 | $50.74 |
| Physician Assistant | $164,360 | $79.02 |
| Occupational Therapist | $107,670 | $51.77 |
| Dentists, General | $169,730 | $81.60 |
| Veterinarian | $160,510 | $77.17 |
| Respiratory Therapist | $101,130 | $48.62 |
| Anesthesiologist | $499,990 | $240.38 |
| Radiologist | $239,200+ | $115.00+ |
More: Healthcare Practitioners and Technical Occupations · all salaries in Washington
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 29-1124. 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 radiation therapist make in Washington?
The median salary for radiation therapists in Washington is $125,880 a year, or $60.52 an hour. Pay ranges from $98,160 for the lowest-paid 10% to $174,670 for the top 10%.
How much do the highest-paid radiation therapists make in Washington?
The top 10% of radiation therapists in Washington earn at least $174,670 a year. The top 25% earn $139,190 or more.
What is the starting pay for radiation therapists in Washington?
Entry-level pay (the 10th percentile) is about $98,160 a year, and a quarter of radiation therapists earn $108,430 or less.
How many radiation therapists work in Washington?
About 540 radiation therapists are employed in Washington, not counting the self-employed.