As of August 01, 2026, the average salary for a Radiation Therapist I in the United States is $105,300 per year, which breaks down to an hourly rate of $51.
However, a Radiation Therapist I's salary can vary significantly. Here’s a look at the typical salary range:
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A Radiation Therapist I's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of a Radiation Therapist I's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Medical Dosimetrist | 0-0 years | $126,464 |
| Radiation Therapist I | 2-4 years | $105,289 |
| Radiation Therapist II | 4-7 years | $122,665 |
| Head Medical Physicist | 7-10 years | $309,137 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Radiation Therapist Is. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Commitment | 3.72% |
| Oncology | 2.87% |
| Treatment Planning | 1.72% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Infrastructure Management
|
$153,738 |
46%
|
|
Cybersecurity
|
$147,420 |
40%
|
|
Organizing
|
$122,148 |
16%
|
|
Body Language
|
$117,936 |
12%
|
|
Medical Services
|
$117,936 |
12%
|
|
Radiologic Technology
|
$116,883 |
11%
|
Radiation Therapist I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $111,694. While startup companies pay approximate $95,179.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $95,179 |
| Growth Stage | 51~500 | $100,474 |
| Established | 501~5000 | $108,042 |
| Enterprise | 5000+ | $111,694 |
For Radiation Therapist I roles, the industry you choose can impact your earning potential by as much as 30% (the gap between the highest and lowest paying industries). Data shows that the highest-paying industry, Healthcare, offers compensation 15% above the average. Conversely, Radiation Therapist positions in Edu., Government & Nonprofit typically offer lower base pay, as this sector often view Radiation Therapist I as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Healthcare | $121,095 | $58.0 | 15% |
Understanding how a Radiation Therapist I's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on August 01, 2026For a Radiation Therapist I, the most direct path to higher earnings is advancing to the Radiation Therapist II role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $122,700 - a projected growth of 17% over your current level.
Salaries for a Radiation Therapist I can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $104,387 in 2023 to around $99,724 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Radiation Therapist I salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
View More
|
| 2023 | $104,387 |
| 2024 | $103,296 |
| 2025 | $99,724 |
| 2026 |
View More
|
| 2027 |
View More
|
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The Healthcare industry offers the highest average compensation for Radiation Therapist I roles, with salaries approximately 15% above the market median.
With additional training and experience, a radiation therapist can advance to a certified medical dosimetrist, who typically earns a higher salary. The salary range for radiation therapists is between $86,500 and $107,000, while dosimetrists often earn more. Other advancement opportunities include administrative roles like chief therapist or education director.
Radiation Therapists in the US earn a minimum salary of $86,500, a median salary of $95,700, and a maximum salary of $107,000. This reflects a competitive salary range, with the potential for higher earnings based on experience and location.
Part-time radiation therapists typically earn between $86,500 and $107,000 annually, with a mid-salary of around $95,700. While some cities like Sunnyvale, CA, report salaries as high as $123,051, the general range for part-time positions remains within the specified salary data.
Radiation therapist programs can range from 1 to 2 years. One-year programs result in a certificate or diploma, while 2-year programs lead to an associate's degree. Graduates can expect salaries ranging from $86,500 to $107,000, with a median salary of $95,700, reflecting the demand for skilled professionals in this field.
California is the state that pays the most for radiation therapists, with salaries ranging from $86,500 to $107,000. The average salary is approximately $95,700, making it a lucrative location for professionals in this field.
Radiation therapists can earn competitive salaries, with a minimum of $86,500, a mid-range salary of $95,700, and a maximum of $107,000. While the average salary does not reach six figures, those at the higher end of the scale can approach it, making it possible for some experienced professionals to earn six-figure incomes.
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