Hydrologists Salary
BLS May 2025 median wages — with computed take-home after taxes for all 34 reporting states. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data, the median hydrologists in the US earns $96,600 per year (5,850 employed). Gross pay is highest in Maryland ($143,010) and lowest in South Carolina ($65,770) — but what you keep depends on the state's taxes; see the table.
Hydrologists pay by stategross median vs take-home
| State | Median wage | After taxes | Monthly net | Kept | Employed |
|---|---|---|---|---|---|
| Hydrologists in Maryland | $143,010 | $102,464 | $8,539 | 71.6% | 90 |
| Hydrologists in Virginia | $132,080 | $94,762 | $7,897 | 71.7% | 40 |
| Hydrologists in New Jersey | $126,680 | $91,971 | $7,664 | 72.6% | — |
| Hydrologists in California | $122,110 | $87,602 | $7,300 | 71.7% | 540 |
| Hydrologists in Georgia | $121,830 | $88,837 | $7,403 | 72.9% | 30 |
| Hydrologists in Massachusetts | $119,350 | $87,045 | $7,254 | 72.9% | 50 |
| Hydrologists in Missouri | $116,100 | $85,987 | $7,166 | 74.1% | 50 |
| Hydrologists in Alaska | $108,660 | $85,272 | $7,106 | 78.5% | 60 |
| Hydrologists in Nevada | $107,930 | $84,759 | $7,063 | 78.5% | 170 |
| Hydrologists in Washington | $105,600 | $83,120 | $6,927 | 78.7% | 350 |
| Hydrologists in Louisiana | $104,520 | $79,611 | $6,634 | 76.2% | — |
| Hydrologists in Michigan | $101,060 | $75,882 | $6,323 | 75.1% | 40 |
| Hydrologists in Colorado | $100,840 | $76,043 | $6,337 | 75.4% | 360 |
| Hydrologists in Ohio | $98,200 | $75,996 | $6,333 | 77.4% | 390 |
| Hydrologists in New Mexico | $97,470 | $73,955 | $6,163 | 75.9% | 100 |
| Hydrologists in Oklahoma | $97,470 | $73,560 | $6,130 | 75.5% | 40 |
| Hydrologists in Minnesota | $94,580 | $70,459 | $5,872 | 74.5% | 300 |
| Hydrologists in Wyoming | $94,520 | $75,325 | $6,277 | 79.7% | 40 |
| Hydrologists in Utah | $94,190 | $70,854 | $5,905 | 75.2% | 80 |
| Hydrologists in Oregon | $93,690 | $67,373 | $5,614 | 71.9% | 300 |
| Hydrologists in Pennsylvania | $91,730 | $70,546 | $5,879 | 76.9% | 160 |
| Hydrologists in New York | $88,100 | $66,648 | $5,554 | 75.7% | 160 |
| Hydrologists in Arizona | $86,700 | $67,865 | $5,655 | 78.3% | 400 |
| Hydrologists in Vermont | $86,140 | $66,205 | $5,517 | 76.9% | 50 |
| Hydrologists in Montana | $84,500 | $64,863 | $5,405 | 76.8% | 190 |
| Hydrologists in Illinois | $83,720 | $63,728 | $5,311 | 76.1% | 100 |
| Hydrologists in North Carolina | $81,770 | $63,601 | $5,300 | 77.8% | 150 |
| Hydrologists in Iowa | $81,150 | $63,487 | $5,291 | 78.2% | 50 |
| Hydrologists in Texas | $81,080 | $65,870 | $5,489 | 81.2% | 220 |
| Hydrologists in Indiana | $80,700 | $63,251 | $5,271 | 78.4% | 50 |
| Hydrologists in Idaho | $78,850 | $61,230 | $5,103 | 77.7% | 160 |
| Hydrologists in Wisconsin | $78,770 | $61,451 | $5,121 | 78% | 150 |
| Hydrologists in Florida | $76,850 | $62,894 | $5,241 | 81.8% | 280 |
| Hydrologists in South Carolina | $65,770 | $52,237 | $4,353 | 79.4% | 100 |
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