Hydrologist salary
Updated Updated for 2026 tax law
A hydrologist earns a median of $96,600 a year ($46.44 an hour) in the US, according to the Bureau of Labor Statistics (May 2025). The average is $103,600. About 5,850 people work in this job.
Take-home pay on $96,600
- Gross pay
- $3,715.38
- Federal income tax
- −$477.77
- Social Security (6.2%)
- −$230.35
- Medicare (1.45%)
- −$53.87
- Texas income tax
- $0.00No state income tax on wages
- Take-home pay
- $2,953.39
Annual breakdown
- Gross
- $96,600
- Federal
- $12,422
- FICA
- $7,390
- State + local
- $0
- Net
- $76,788
- Marginal federal rate
- 22.0%
- Marginal state rate
- 0.0%
2026 federal brackets (Rev. Proc. 2025-32) and 2026 state rules. Estimates assume wages are your only income and use annual liability, so your actual withholding can differ slightly.
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- Biological Scientist: $98,920
- Atmospheric and Space Scientist: $99,070
- Life Scientist: $93,750
- Clinical and Counseling Psychologist: $100,580
- Social Scientist and Related Worker: $101,110
- Geoscientist: $101,920
- Chemist: $91,240
BLS occupation: Hydrologists. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 (SOC 19-2043). Excludes the self-employed.
Frequently asked questions
How much does a hydrologist make an hour?
The median hourly wage is $46.44; the average is $49.81.
What is the salary range for a hydrologist?
The bottom 10% earn under $64,020 and the top 10% earn over $153,130 a year.
How much is $96,600 after taxes?
About $76,788 a year in Texas (no state income tax) or $70,794 in California for a single filer in 2026.
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Estimates for information only — not tax, legal or financial advice.