As of April 01, 2026, the average salary for a Biologist I in the United States is $57,850 per year, which breaks down to an hourly rate of $28.
However, a Biologist I's salary can vary significantly. Here’s a look at the typical salary range:
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A Biologist I's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, education and company size can directly affect your earning potential.
Experience is a primary driver of a Biologist I's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Biologist I | 0-2 years | $57,850 |
| Biologist II | 2-4 years | $66,830 |
| Biologist III | 4-7 years | $83,436 |
| Biologist IV | 7+ years | $120,807 |
| Biologist V | 7-10 years | $137,006 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Biologist Is. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Analysis | 11.99% |
| Microbiology | 2.67% |
| SOP | 2% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Cell Biology
|
$67,106 |
16%
|
|
Collaboration
|
$65,949 |
14%
|
|
Biochemistry
|
$64,792 |
12%
|
|
Cell Culture
|
$64,214 |
11%
|
|
Innovation
|
$64,214 |
11%
|
|
Analysis
|
$63,635 |
10%
|
Your level of education can impact your salary potential. While many Biologist Is enter the field with a Bachelor's Degree degree, higher education can lead to more specialized and higher-paying roles.
According to our 100% employer-reported salary data, the median salary for a Biologist I with a Bachelor's Degree is between $55,345 and $58,563).
Biologist I Salaries by Degree Level
| Degree Level | % of user with this level of education |
|---|---|
| No Diploma | 1.3% |
| High School | 1.3% |
| Associates | 2.0% |
| Bachelors | 58.9% |
| Masters | 24.1% |
| Doctorate | 12.5% |
Understanding how a Biologist I's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on April 01, 2026Promotions are the fastest way to increase your earnings. As a Biologist I, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Agronomist | $67,333 | 16% |
| Biologist II | $66,830 | 16% |
| Geologist II | $68,916 | 19% |
| Geophysicist II | $104,379 | 80% |
Salaries for a Biologist I can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $54,738 in 2023 to around $54,504 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Biologist I salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
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|
| 2023 | $54,738 |
| 2024 | $54,710 |
| 2025 | $54,504 |
| 2026 |
View More
|
| 2027 |
View More
|
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A Biologist I's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Biologist I earns the most in San Jose, CA, where the annual salary of a Biologist I is $72,966.
The highest pay for Biologist I is $67,819.
The lowest pay for Biologist I is $45,591.
Uncovers and verifies the specific molecular "weak spots" of a disease through rigorous laboratory testing to provide the essential data needed to turn a discovery into a real-world medicine. Pinpoints exactly how a sickness develops and how new treatments can safely stop it by studying the chemical processes of cells and microorganisms. Isolates key proteins to ensure experimental drugs are both effective and non-toxic. May require an advanced degree. Typically reports to a manager. Work is closely managed. Works on projects/matters of limited complexity in a support role. Typically requires 0-2 years of related experience.
Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.
We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)
With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.
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