Radiation Therapist salary in Seattle-Tacoma-Bellevue, WA
Radiation Therapists in the Seattle-Tacoma-Bellevue, WA metro area earn a median of $133,410 a year ($64.14 an hour), based on BLS data for 250 workers.
Pay ranges from $107,370 for the lowest-paid 10% to $178,810 for the top 10%. That is 27% higher than the national median of $105,310. Pay here is 6% higher than the Washington statewide median of $125,880. There are 0.12 radiation therapists per 1,000 jobs here — close to the national average. The average (mean) salary is $155,540, above the median because a few high earners pull it up.
Pay range for radiation therapists in Seattle-Tacoma-Bellevue, WA
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $107,370 | $51.62 |
| 25th percentile | $123,080 | $59.17 |
| Median | $133,410 | $64.14 |
| 75th percentile | $156,710 | $75.34 |
| 90th percentile (top earners) | $178,810 | $85.96 |
| Average (mean) | $155,540 | $74.78 |
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 | $11,117.50 |
| Semi-monthly (24 a year) | $5,558.75 |
| Biweekly (26 a year) | $5,131.15 |
| Weekly | $2,565.58 |
| Hourly | $64.14 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Buying a home? On a $133,410 salary, see how much house you can afford in Washington at today's mortgage rates, or work out a payment with the mortgage calculator.
Radiation Therapist salary in other metro areas nearby
| Metro area | Median salary | Workers |
|---|---|---|
| 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 |
See Radiation Therapist pay in every state or the Washington statewide figures.
Related jobs in Seattle-Tacoma-Bellevue, WA
| Job | Median salary | Hourly |
|---|---|---|
| Registered Nurse | $128,260 | $61.66 |
| Pharmacist | $162,870 | $78.30 |
| Physicians, All Other | $330,560 | $158.92 |
| Dental Hygienist | $133,740 | $64.30 |
| Physical Therapist | $107,290 | $51.58 |
| Occupational Therapist | $109,860 | $52.82 |
| Dentists, General | $161,270 | $77.54 |
| Physician Assistant | $167,290 | $80.43 |
| Speech-Language Pathologist | $108,690 | $52.25 |
| Veterinarian | $163,810 | $78.76 |
| Radiologist | $239,200+ | $115.00+ |
| Respiratory Therapist | $104,220 | $50.11 |
| Anesthesiologist | $646,930 | $311.02 |
| Dietitians and Nutritionists | $87,580 | $42.11 |
More: Healthcare Practitioners and Technical Occupations · all salaries in Seattle-Tacoma-Bellevue, WA
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 Seattle-Tacoma-Bellevue, WA?
The median salary for radiation therapists in the Seattle-Tacoma-Bellevue, WA metro area is $133,410 a year, or $64.14 an hour. Pay ranges from $107,370 for the lowest-paid 10% to $178,810 for the top 10%.
How much do the highest-paid radiation therapists make in Seattle-Tacoma-Bellevue, WA?
The top 10% of radiation therapists in the Seattle-Tacoma-Bellevue, WA metro area earn at least $178,810 a year. The top 25% earn $156,710 or more.
What is the starting pay for radiation therapists in Seattle-Tacoma-Bellevue, WA?
Entry-level pay (the 10th percentile) is about $107,370 a year, and a quarter of radiation therapists earn $123,080 or less.
How many radiation therapists work in Seattle-Tacoma-Bellevue, WA?
About 250 radiation therapists are employed in the Seattle-Tacoma-Bellevue, WA metro area, not counting the self-employed.