Avg. Base Salary (USD)
The average salary for a Principal Microbiologist is $111,669 in 2025
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FAQs About Principal Microbiologists
What is the highest pay for Principal Microbiologists?
Our data indicates that the highest pay for a Principal Microbiologist is $155k / year
What is the lowest pay for Principal Microbiologists?
Our data indicates that the lowest pay for a Principal Microbiologist is $54k / year
How can Principal Microbiologists increase their salary?
Increasing your pay as a Principal Microbiologist is possible in different ways. Change of employer: Consider a career move to a new employer that is willing to pay higher for your skills. Level of Education: Gaining advanced degrees may allow this role to increase their income potential and qualify for promotions. Managing Experience: If you are a Principal Microbiologist that oversees more junior Principal Microbiologists, this experience can increase the likelihood to earn more.