Marine Biologist Salary in San Antonio, TX: 2026
Marine Biologist salary data for San Antonio, TX, adjusted for local cost of living. Entry-level to senior pay ranges, take-home pay calculator, and local job market insights.
The estimated median Marine Biologist salary in San Antonio, TX is $67,566 per year ($5,631/month, $32/hr). This modeled estimate scales Salario's national benchmark (calibrated to the BLS OEWS May 2025 national median) by the local cost of living index of 88, which is 12% below the national average.
All four figures are Salario estimates (national benchmark scaled by San Antonio's cost-of-living index); BLS does not publish a metro median for this title here.
Marine Biologist Take-Home Pay in San Antonio
Tax Breakdown (Median Salary)
| Gross Annual | $67,566 |
| Federal Tax | -$6,035 |
| State Tax (0.0% eff.) | -$0 |
| FICA (SS + Medicare) | -$5,169 |
| Annual Take-Home | $56,363 |
| Monthly Take-Home | $4,697 |
Living Cost Comparison
Marine Biologist Requirements
Key Skills
San Antonio Job Market Overview
San Antonio, Texas has a population of 1,434,625 and an unemployment rate of 3.5%. The top industries are Military, Healthcare, Tourism. The local job growth rate is 2.2%, and the average commute time is 25minutes. These local figures come from Salario's city dataset; verify current values with BLS Local Area Unemployment Statistics and Census QuickFacts.
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Salary Percentile Breakdown: Marine Biologist in San Antonio
Based on Salario's cost-of-living-adjusted salary tiers for Marine Biologist in San Antonio, TX, here is an estimated percentile breakdown:
| Percentile | Annual Salary | Hourly Equivalent | Career Stage |
|---|---|---|---|
| 10th (lowest) | $43,384 | $21/hr | Entry-level, < 1 yr exp. |
| 25th | $55,475 | $27/hr | Junior, 1-3 yrs exp. |
| 50th (median) | $67,566 | $32/hr | Mid-career, 2-4 years |
| 75th | $84,744 | $41/hr | Senior, 5-10 yrs exp. |
| 90th (top) | $113,960 | $55/hr | Lead/Principal, 10+ yrs |
Percentiles are approximations, not measured local percentiles: P10, P50, P75, and P90 map to Salario's entry, median, senior, and top salary tiers scaled by the local cost-of-living index, and P25 is interpolated halfway between entry and median. Top earners (P90) typically include managers, specialists with rare skills, or those at high-paying employers in San Antonio's Military sector.
5-Year Salary Trajectory
Salario's national dataset models approximately 15.0% salary growth for Marine Biologists over the past 5 years. That national assumption is applied to the San Antonio estimate below; it is not a measured local trend, and it should be compared with cumulative CPI inflation before treating it as a real-terms gain:
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 Antonio. Negotiation, certifications (PADI Certification, Scientific Diving), and changing employers strategically can accelerate this trajectory.
San Antonio vs National Average
The national median Marine Biologist salary is $76,780 (BLS OEWS May 2025, Zoologists and Wildlife Biologists). In San Antonio, the cost-of-living-adjusted median of $67,566 is 12.0% below the national figure. This reflects San Antonio's cost of living index of 88 (lower than the national average of 100).
For Marine Biologists, this means: rent typically consumes 25.5% of take-home pay (households spending >30% are considered affordable), and a median home in San Antonio costs about 4.4× annual take-home. Homeownership is relatively attainable on this salary in San Antonio.
Industry Context: Military in San Antonio
San Antonio's economy is anchored by Military, Healthcare, Tourism, with 1,434,625 residents and an unemployment rate of 3.5% in Salario's city dataset. Pay for Marine Biologists can differ by sector, so compare Military employers with other local employers. The local job growth rate in Salario's city dataset is 2.2%, and Salario's job dataset lists a 5.0% growth outlook for Marine Biologist roles; check the BLS Occupational Outlook Handbook for the official 2024-2034 projection for the closest matching occupation.
Methodology & Data Sources
How we calculate Marine Biologist salaries in San Antonio, TX:
- 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 (the national median is calibrated to the BLS OEWS May 2025 median for Zoologists and Wildlife Biologists). 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 Antonio index of 88 relative to the national baseline of 100, with local rent, home price, unemployment, and tax inputs stored separately in Salario's city dataset.
- 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%), TX 2026 state income tax brackets after the standard deduction (top rate 0.0%), 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 data (CPI measures price changes, not city-to-city price levels)
- U.S. Census Bureau, San Antonio QuickFacts, population and demographic data
- IRS Revenue Procedure 2025-32 summary, 2026 federal tax brackets and standard deductions
- BLS Local Area Unemployment Statistics, official local unemployment rates to verify the San Antonio figure above
Last reviewed: 2026. Salario's salary dataset is refreshed periodically, not automatically; check the linked BLS releases for the latest official data. Marine Biologist salaries can vary significantly based on employer, sector (Military vs others in San Antonio), 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 Antonio, TX?
How much does a Marine Biologist take home in San Antonio after taxes?
Is San Antonio a good city for Marine Biologists?
What skills are needed for a Marine Biologist in San Antonio?
How does Marine Biologist salary in San Antonio compare to the national average?
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Frequently Asked Questions
What is the average Marine Biologist salary in San Antonio, TX?
Salario estimates the median Marine Biologist salary in San Antonio, TX at $67,566 per year for 2026. This is a modeled figure: Salario's national Marine Biologist benchmark scaled by the local cost of living index of 88, not a measured local wage survey. The modeled entry-level estimate is around $43,384, and the senior estimate is $84,744 or more.
How much does a Marine Biologist take home in San Antonio after taxes?
A Marine Biologist earning the median salary of $67,566 in San Antonio, TX takes home approximately $56,363 per year ($4,697/month) after federal, state, and local taxes. The effective tax rate is 16.6%.
Is San Antonio a good city for Marine Biologists?
San Antonio, TX has a cost of living index of 88 (below national average). Marine Biologists here earn above the city median. The local unemployment rate is 3.5% and top industries include Military, Healthcare, Tourism.
What skills are needed for a Marine Biologist in San Antonio?
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 Antonio compare to the national average?
Salario's national median benchmark for Marine Biologist is $76,780 (calibrated to the BLS OEWS May 2025 national median). In San Antonio, the cost-of-living-adjusted estimate is $67,566, which is 12.0% lower than the national average, reflecting the local cost of living.