Salary · IL · SOC 19-1041

Epidemiologist salary in Illinois, per year and per hour

BLS data for May 2025. Median, mean, and percentile pay for epidemiologists 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 epidemiologists in Illinois was $102,720 a year, or $49.39 an hour, in May 2025 (BLS). The middle 80% earned $65,570 to $138,800. About 240 were employed.

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Epidemiologist pay in Illinois vs the US

Epidemiologist wages in Illinois and the US, May 2025
Measure	IL annual	IL hourly	US annual
Median (50th percentile)	$102,720	$49.39	$87,220
Mean (average)	$97,690	$46.97	$97,890
10th percentile	$65,570	$31.52	$61,270
25th percentile	$77,580	$37.30	$71,090
75th percentile	$106,230	$51.07	$112,640
90th percentile	$138,800	$66.73	$138,800

Employment in Illinois: 240. Location quotient: 0.5 (1.0 = the national share of jobs).

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

Epidemiologist salary by metro area in Illinois

Epidemiologist median wage by metro area, Illinois
Metro area	Median annual	Median hourly	Employed
Chicago-Naperville-Elgin, IL-IN	$103,780	$49.89	210
St. Louis, MO-IL	$67,010	$32.22	40

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

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Epidemiologist salary in Illinois

Median pay: $102,720 a year ($49.39 an hour)

Middle 80% earn $65,570 to $138,800 a year

Employed: 240

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">Epidemiologist salary in Illinois</div><div style="margin:2px 0">Median pay: <strong>$102,720</strong> a year ($49.39 an hour)</div><div style="margin:2px 0">Middle 80% earn $65,570 to $138,800 a year</div><div style="margin:2px 0">Employed: 240</div><div style="margin-top:8px;font-size:12px;color:#555">BLS OEWS, May 2025. Source: <a href="https://rivvi.ai/salary/epidemiologist/il" style="color:#3C38C9">Rivvi</a></div></div>

Questions

How much does an Epidemiologist make per hour in Illinois?

The median hourly wage was $49.39 in May 2025, per BLS. The 10th percentile was $31.52 and the 90th was $66.73.

What is the average Epidemiologist salary in Illinois?

BLS reports a mean (average) of $97,690 a year and a median of $102,720 for May 2025. The median is the middle wage; the mean is pulled up by the highest earners.

Do epidemiologists in Illinois earn more than the US median?

The Illinois median of $102,720 is 18% higher than the US median of $87,220 (BLS, May 2025).

How does Illinois rank for epidemiologist pay?

Illinois ranks 7 of 42 states (plus DC) by median annual wage for epidemiologists (BLS, May 2025).

Where do these numbers come from?

The BLS Occupational Employment and Wage Statistics survey, May 2025 estimates, SOC 19-1041. Figures BLS did not publish are left out.