Career comparison

Epidemiologist vs. Microbiologist

Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.

Updated By the Career Education Institute Curriculum Team
Epidemiologist vs. Microbiologist: the short answer

Microbiologists earn more at the median ($87,990 vs. $87,220), while epidemiologists usually get to work faster (2 years after a bachelor’s of training). Epidemiologists track diseases and find out what causes them to protect public health. Microbiologists study bacteria, viruses and microbes to protect health and make products.

Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026

EpidemiologistMicrobiologist
Median pay$87,220 ($41.93/hr)$87,990 ($42.30/hr)
Pay range (10th–90th)$61,270 – $138,800$54,670 – $150,000
Job growth, 2025–35+18.7% (much faster than average)+6.2% (faster than average)
Openings per year8001,500
Typical entry educationMaster's degreeBachelor's degree
Training time2 years after a bachelor’s4+ years
Key credentialCPHASM Specialist Microbiologist
Work settingEpidemiologists work in health department offices, hospitals, labs and in the field..Microbiologists work in labs, sometimes with infectious agents under biosafety rules..

What each job does

Epidemiologist

  • Track disease data
  • Investigate outbreaks
  • Design studies
  • Analyze data
  • Write reports

Microbiologist

  • Culture and identify microorganisms
  • Test products for contamination
  • Design and run experiments
  • Monitor clean rooms and environments
  • Analyze data

How they’re similar

Both careers involve working with information, in-demand, problem-solving, and high-pay. Both are part of the science, engineering & lab field, so many skills transfer between them.

Which should you choose?

Choose epidemiologist if…

  • I like solving mysteries
  • I like data
  • I want to protect public health

Choose microbiologist if…

  • I love biology
  • I’m careful and precise
  • I want to protect health

Still torn? Take the Epidemiologist fit quiz and the Microbiologist fit quiz, or the full Career Match Quiz.

Quick comparisons

Which pays more, epidemiologist or microbiologist?

Microbiologists earn more at the median: $87,990 versus $87,220 for epidemiologists, based on BLS May 2025 data.

Which takes less time to train for?

Epidemiologists typically train faster (2 years after a bachelor’s) than microbiologists (4+ years).

Which career has better job growth?

BLS projects epidemiologists to grow +18.7% from 2025–35, compared with +6.2% for microbiologists.