Marine Biologist Salary in San Diego, CA — 2026
Marine Biologist salary data for San Diego, CA — adjusted for local cost of living. Entry-level to senior pay ranges, take-home pay calculator, and local job market insights.
The median Marine Biologist salary in San Diego, CA is $107,200 per year ($8,933/month, $52/hr). This reflects the local cost of living index of 160, which is 60% above the national average.
Marine Biologist Take-Home Pay in San Diego
Tax Breakdown (Median Salary)
| Gross Annual | $107,200 |
| Federal Tax | -$14,754 |
| State Tax (9.3%) | -$9,970 |
| FICA (SS + Medicare) | -$8,201 |
| Annual Take-Home | $74,276 |
| Monthly Take-Home | $6,190 |
Living Cost Comparison
Marine Biologist Requirements
Key Skills
San Diego Job Market Overview
San Diego, California has a population of 1,386,932 and an unemployment rate of 3.8%. The top industries are Military, Biotech, Tourism. The local job growth rate is 2.2%, and the average commute time is 25 minutes.
Related Science Salaries in San Diego
Marine Biologist Salary in Nearby California Cities
Salary Percentile Breakdown — Marine Biologist in San Diego
Based on the cost-of-living-adjusted distribution for Marine Biologist in San Diego, CA, here's how earnings break down across the workforce:
| Percentile | Annual Salary | Hourly Equivalent | Career Stage |
|---|---|---|---|
| 10th (lowest) | $68,800 | $33/hr | Entry-level, < 1 yr exp. |
| 25th | $88,000 | $42/hr | Junior, 1-3 yrs exp. |
| 50th (median) | $107,200 | $52/hr | Mid-career, 2-4 years |
| 75th | $134,400 | $65/hr | Senior, 5-10 yrs exp. |
| 90th (top) | $180,800 | $87/hr | Lead/Principal, 10+ yrs |
Percentiles estimated using a log-normal salary distribution model calibrated to Marine Biologist compensation data. Top earners (P90) typically include managers, specialists with rare skills, or those at high-paying employers in San Diego's Military sector.
5-Year Salary Trajectory
Marine Biologist salaries in San Diego have grown approximately 15.0% over the past 5 years, outpacing local CPI inflation in many cases. Here's the historical and projected trajectory:
Year-over-year, an average Marine Biologist can expect a 11.8% annual increase moving from entry to senior level over 6 years in San Diego. Negotiation, certifications (PADI Certification, Scientific Diving), and changing employers strategically can accelerate this trajectory.
San Diego vs National Average
The national median Marine Biologist salary is $67,000. In San Diego, the cost-of-living-adjusted median of $107,200 is 60.0% above the national figure. This reflects San Diego's cost of living index of 160 (higher than the national average of 100).
For Marine Biologists, this means: rent typically consumes 40.4% of take-home pay (households spending >30% are considered rent-burdened), and a median home in San Diego costs about 10.5× annual take-home. Homeownership in San Diego on this salary is challenging — most experts recommend keeping home costs to 3-4× income.
Industry Context: Military in San Diego
San Diego's economy is anchored by Military, Biotech, Tourism, with 1,386,932 residents and 3.8% unemployment as of 2026. Marine Biologists working in the Military sector typically earn at or above the local median due to industry-specific demand. The state's overall job growth rate is 2.2%, and Marine Biologist occupations specifically are projected to grow 5.0% nationally through 2034 (BLS Occupational Outlook Handbook).
Methodology & Data Sources
How we calculate Marine Biologist salaries in San Diego, CA:
- Base salary model starts with Salario occupation data and public wage references, including BLS OEWS and O*NET when a direct or related occupational crosswalk is available. For niche titles, we do not treat a broader SOC family as an exact job-title wage.
- Cost-of-living adjustment applied using the San Diego index of 160 relative to the national baseline of 100, with local rent, home price, unemployment, and tax inputs checked separately.
- Percentile distribution (P10-P90) estimated from the entry, median, senior, and top compensation tiers in the Salario salary model rather than claimed as exact employer payroll data.
- Take-home pay calculated using 2026 federal tax brackets (10%-37%), CA state income tax of 9.3%, and FICA (Social Security 6.2% + Medicare 1.45%).
- Tax brackets and standard deduction ($16,100 single filer for tax year 2026) sourced from IRS Revenue Procedure 2025-32 and updated annually.
Authoritative data sources:
- BLS Occupational Employment and Wage Statistics — national and metro-area salary data
- O*NET OnLine — occupation tasks, alternate job titles, skills, and SOC crosswalks
- BLS Occupational Outlook Handbook — occupation outlook where a matching profile is available
- BLS Consumer Price Index (CPI-U) — regional inflation and cost-of-living data
- U.S. Census Bureau — San Diego QuickFacts — population and demographic data
- IRS Revenue Procedure 2025-32 summary — 2026 federal tax brackets and standard deductions
- BLS Local Area Unemployment Statistics — San Diego unemployment rate
Last reviewed: 2026. Salary data updated annually as new BLS releases become available. Marine Biologist salaries can vary significantly based on employer, sector (Military vs others in San Diego), specific skill set (Marine Ecology, Fieldwork, Data Analysis), and individual negotiation. Always verify current compensation through multiple sources before making career decisions.
Frequently Asked Questions
What is the average Marine Biologist salary in San Diego, CA?
How much does a Marine Biologist take home in San Diego after taxes?
Is San Diego a good city for Marine Biologists?
What skills are needed for a Marine Biologist in San Diego?
How does Marine Biologist salary in San Diego compare to the national average?
Calculate Your Exact Take-Home Pay
Use our free paycheck calculator to see your after-tax income based on your specific salary, deductions, and filing status.
Calculate NowExplore More
Across Our Network
- Levyio: Federal Tax Bracket Calculator — see take-home on this salary
- DegreeCalc: College Majors ROI Ranking — what degrees lead to this salary path
- Amortio: Home Affordability — what home you can buy on this income
Frequently Asked Questions
What is the average Marine Biologist salary in San Diego, CA?
The median Marine Biologist salary in San Diego, CA is $107,200 per year as of 2026. This is adjusted for the local cost of living index of 160. Entry-level Marine Biologists earn around $68,800, while senior-level professionals can earn $134,400 or more.
How much does a Marine Biologist take home in San Diego after taxes?
A Marine Biologist earning the median salary of $107,200 in San Diego, CA takes home approximately $74,276 per year ($6,190/month) after federal, state, and local taxes. The effective tax rate is 30.7%.
Is San Diego a good city for Marine Biologists?
San Diego, CA has a cost of living index of 160 (above national average). Marine Biologists here earn above the city median. The local unemployment rate is 3.8% and top industries include Military, Biotech, Tourism.
What skills are needed for a Marine Biologist in San Diego?
Key skills for Marine Biologists include Marine Ecology, Fieldwork, Data Analysis, Scuba Diving, GIS. Typical education requirement is Master's Degree. Valuable certifications include PADI Certification, Scientific Diving.
How does Marine Biologist salary in San Diego compare to the national average?
The national median Marine Biologist salary is $67,000. In San Diego, the adjusted salary is $107,200, which is 60.0% higher than the national average, reflecting the local cost of living.