Hydrologist salary in Baltimore-Columbia-Towson, MD
Hydrologists in the Baltimore-Columbia-Towson, MD metro area earn a median of $138,020 a year ($66.36 an hour), based on BLS data for 50 workers.
Pay ranges from $84,490 for the lowest-paid 10% to $175,780 for the top 10%. That is 43% higher than the national median of $96,600. Pay here is 3% lower than the Maryland statewide median of $143,010. There are 0.04 hydrologists per 1,000 jobs here — close to the national average. The average (mean) salary is $139,870, above the median because a few high earners pull it up.
Pay range for hydrologists in Baltimore-Columbia-Towson, MD
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $84,490 | $40.62 |
| 25th percentile | $113,800 | $54.71 |
| Median | $138,020 | $66.36 |
| 75th percentile | $175,780 | $84.51 |
| 90th percentile (top earners) | $175,780 | $84.51 |
| Average (mean) | $139,870 | $67.25 |
Half of hydrologists earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $11,501.67 |
| Semi-monthly (24 a year) | $5,750.83 |
| Biweekly (26 a year) | $5,308.46 |
| Weekly | $2,654.23 |
| Hourly | $66.36 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Hydrologist salary in other metro areas nearby
| Metro area | Median salary | Workers |
|---|---|---|
| Washington-Arlington-Alexandria, DC-VA-MD-WV | $152,730 | 50 |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | $85,540 | 70 |
Highest-paying states for hydrologists
| State | Median salary |
|---|---|
| Maryland | $143,010 |
| Virginia | $132,080 |
| New Jersey | $126,680 |
| California | $122,110 |
| Georgia | $121,830 |
| Massachusetts | $119,350 |
| Missouri | $116,100 |
| Alaska | $108,660 |
| Nevada | $107,930 |
| Washington | $105,600 |
See Hydrologist pay in every state or the Maryland statewide figures.
Related jobs in Baltimore-Columbia-Towson, MD
| Job | Median salary | Hourly |
|---|---|---|
| Environmental Scientists and Specialists, Including Health | $83,720 | $40.25 |
| Chemist | $118,880 | $57.16 |
| Physical Scientists, All Other | $108,160 | $52.00 |
| Atmospheric and Space Scientists | $128,800 | $61.92 |
| Geoscientists, Except Hydrologists and Geographers | $86,650 | $41.66 |
| Materials Scientist | $92,390 | $44.42 |
| Medical Scientists, Except Epidemiologists | $88,980 | $42.78 |
| Life, Physical, and Social Science Technicians, All Other | $63,560 | $30.56 |
| Occupational Health and Safety Specialists | $83,440 | $40.11 |
| Social Scientists and Related Workers, All Other | $124,590 | $59.90 |
| Biological Scientists, All Other | $111,530 | $53.62 |
| School Psychologist | $114,520 | $55.06 |
| Urban and Regional Planners | $84,000 | $40.39 |
| Psychologists, All Other | $96,220 | $46.26 |
More: Life, Physical, and Social Science Occupations · all salaries in Baltimore-Columbia-Towson, MD
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 19-2043. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a hydrologist make in Baltimore-Columbia-Towson, MD?
The median salary for hydrologists in the Baltimore-Columbia-Towson, MD metro area is $138,020 a year, or $66.36 an hour. Pay ranges from $84,490 for the lowest-paid 10% to $175,780 for the top 10%.
How much do the highest-paid hydrologists make in Baltimore-Columbia-Towson, MD?
The top 10% of hydrologists in the Baltimore-Columbia-Towson, MD metro area earn at least $175,780 a year. The top 25% earn $175,780 or more.
What is the starting pay for hydrologists in Baltimore-Columbia-Towson, MD?
Entry-level pay (the 10th percentile) is about $84,490 a year, and a quarter of hydrologists earn $113,800 or less.
How many hydrologists work in Baltimore-Columbia-Towson, MD?
About 50 hydrologists are employed in the Baltimore-Columbia-Towson, MD metro area, not counting the self-employed.