United States · BLS May 2025
The Bureau of Labor Statistics counted 5,850 hydrologists across the country. Pay varies more by state than most people expect, and the state that pays most is not always the one that leaves most.
Median pay · the United States
$96,600A year, or $46.44 an hour.| Percentile | Annual | Hourly |
|---|---|---|
| 10th percentileEntry and lowest-paid | $64,020 | $30.78 |
| 25th percentile | $77,210 | $37.12 |
| MedianHalf earn more, half less | $96,600 | $46.44 |
| 75th percentile | $122,830 | $59.06 |
| 90th percentileMost experienced and senior | $153,130 | $73.62 |
| MeanThe average, pulled up by the top | $103,600 | $49.81 |
Method occupation-wage-v1Data bls-oews-2025-05-v1
Maryland pays a median of $143,010, South Carolina $65,770. That is a gap of $77,240 before either state's taxes or prices are counted.
Common questions
The median wage for hydrologists in the United States is $96,600 a year, or $46.44 an hour.
Half earn more than that and half earn less. The figure comes from the Bureau of Labor Statistics occupational wage survey for May 2025.
The top tenth earn $153,130 a year or more, against $64,020 at the bottom tenth.
Experience, specialism, employer and the part of the United States someone works in all move a wage inside that range; the survey reports the spread, not the reason for it.
The survey counted 5,850 of these jobs in the United States for May 2025.
It counts wage and salary jobs, so the self-employed are outside it.
Sources