Salary · IL · SOC 29-1124

Radiation Therapist salary in Illinois, per year and per hour

BLS data for May 2025. Median, mean, and percentile pay for radiation therapists in Illinois, with every metro area BLS publishes.

Source: BLS Occupational Employment and Wage Statistics, May 2025 estimates, released May 15, 2026. Publisher page

Quick answer

The median pay for radiation therapists in Illinois was $124,600 a year, or $59.91 an hour, in May 2025 (BLS). The middle 80% earned $96,340 to $124,850.

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Radiation Therapist pay in Illinois vs the US

Radiation Therapist wages in Illinois and the US, May 2025
Measure	IL annual	IL hourly	US annual
Median (50th percentile)	$124,600	$59.91	$105,310
Mean (average)	$114,470	$55.03	$114,990
10th percentile	$96,340	$46.32	$80,560
25th percentile	$107,380	$51.63	$92,060
75th percentile	$124,850	$60.02	$126,340
90th percentile	$124,850	$60.02	$156,710

Source: BLS Occupational Employment and Wage Statistics, May 2025. Publisher page

Radiation Therapist salary by metro area in Illinois

Radiation Therapist median wage by metro area, Illinois
Metro area	Median annual	Median hourly	Employed
Chicago-Naperville-Elgin, IL-IN	$124,850	$60.02	Not published
St. Louis, MO-IL	$105,310	$50.63	200

Source: BLS Occupational Employment and Wage Statistics, May 2025. Publisher page

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Radiation Therapist salary in Illinois

Median pay: $124,600 a year ($59.91 an hour)

Middle 80% earn $96,340 to $124,850 a year

BLS OEWS, May 2025. Source: Rivvi

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<div style="font:14px/1.45 system-ui,sans-serif;color:#222;border:1px solid #E6E6EE;border-radius:12px;padding:14px 16px;max-width:360px;background:#fff"><div style="font-weight:600;font-size:15px;margin-bottom:6px">Radiation Therapist salary in Illinois</div><div style="margin:2px 0">Median pay: <strong>$124,600</strong> a year ($59.91 an hour)</div><div style="margin:2px 0">Middle 80% earn $96,340 to $124,850 a year</div><div style="margin-top:8px;font-size:12px;color:#555">BLS OEWS, May 2025. Source: <a href="https://rivvi.ai/salary/radiation-therapist/il" style="color:#3C38C9">Rivvi</a></div></div>

Questions

How much does a Radiation Therapist make per hour in Illinois?

The median hourly wage was $59.91 in May 2025, per BLS. The 10th percentile was $46.32 and the 90th was $60.02.

What is the average Radiation Therapist salary in Illinois?

BLS reports a mean (average) of $114,470 a year and a median of $124,600 for May 2025. The median is the middle wage; the mean is pulled up by the highest earners.

Do radiation therapists in Illinois earn more than the US median?

The Illinois median of $124,600 is 18% higher than the US median of $105,310 (BLS, May 2025).

How does Illinois rank for radiation therapist pay?

Illinois ranks 7 of 46 states (plus DC) by median annual wage for radiation therapists (BLS, May 2025).

Where do these numbers come from?

The BLS Occupational Employment and Wage Statistics survey, May 2025 estimates, SOC 29-1124. Figures BLS did not publish are left out.