Radiation Therapist salary in Colorado

Radiation Therapists in Colorado earn a median of $108,020 a year ($51.93 an hour), based on BLS data for 320 workers.

Median salary
$108,020
Hourly
$51.93
Average
$110,640
Top 10% earn
$130,750
Workers
320

Pay ranges from $90,970 for the lowest-paid 10% to $130,750 for the top 10%. That is 3% higher than the national median of $105,310. Colorado ranks 11th of 46 states for radiation therapists pay. There are 0.11 radiation therapists per 1,000 jobs here — close to the national average. The average (mean) salary is $110,640, above the median because a few high earners pull it up.

Pay range for radiation therapists in Colorado

$0$170,000
Pay levelYearlyHourly
10th percentile (entry level)$90,970$43.74
25th percentile$101,820$48.95
Median$108,020$51.93
75th percentile$121,520$58.42
90th percentile (top earners)$130,750$62.86
Average (mean)$110,640$53.19

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 periodAmount
Monthly$9,001.67
Semi-monthly (24 a year)$4,500.83
Biweekly (26 a year)$4,154.62
Weekly$2,077.31
Hourly$51.93

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 Colorado

Metro areaMedian salaryWorkers
Denver-Aurora-Centennial, CO$108,020150
Colorado Springs, CO$101,94050

Highest-paying states for radiation therapists

StateMedian 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.

Related jobs in Colorado

JobMedian salaryHourly
Registered Nurse$100,260$48.20
Physical Therapist$102,030$49.05
Pharmacist$156,030$75.01
Speech-Language Pathologist$110,750$53.25
Dental Hygienist$109,580$52.68
Nurse Practitioner$132,930$63.91
Occupational Therapist$106,720$51.31
Physician Assistant$134,540$64.68
Dentists, General$166,240$79.92
Family Medicine Physician$265,560$127.67
Veterinarian$130,840$62.91
Respiratory Therapist$86,220$41.45
Physicians, All Other$298,320$143.42
Dietitians and Nutritionists$75,510$36.30

More: Healthcare Practitioners and Technical Occupations · all salaries in Colorado

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 Colorado?

The median salary for radiation therapists in Colorado is $108,020 a year, or $51.93 an hour. Pay ranges from $90,970 for the lowest-paid 10% to $130,750 for the top 10%.

How much do the highest-paid radiation therapists make in Colorado?

The top 10% of radiation therapists in Colorado earn at least $130,750 a year. The top 25% earn $121,520 or more.

What is the starting pay for radiation therapists in Colorado?

Entry-level pay (the 10th percentile) is about $90,970 a year, and a quarter of radiation therapists earn $101,820 or less.

How many radiation therapists work in Colorado?

About 320 radiation therapists are employed in Colorado, not counting the self-employed.