How much does a hydrologist make in Illinois?
$83,720a year
Median yearly pay for hydrologists in Illinois. That is $40.25 an hour or $6,977 a month.
- Hourly
- $40.25
- Vs. national median
- -13%
- Rank among states
- 26 of 34
- Jobs in the state
- 100
Pay range
Lowest 10%: $59,070Median: $83,720Highest 10%: $133,400
| Percentile | Yearly | Hourly | |
|---|---|---|---|
| 10th | $59,070 | $28.40 | |
| 25th | $67,590 | $32.50 | |
| Median | $83,720 | $40.25 | |
| 75th | $110,100 | $52.94 | |
| 90th | $133,400 | $64.15 |
Cities in Illinois
Metro areas, median yearly pay.
| No city data for this job. |
Nearby in the ranking
States with similar pay for hydrologists.
| 23. Arizona | $86,700 |
| 24. Vermont | $86,140 |
| 25. Montana | $84,500 |
| 26. Illinois | $83,720 |
| 27. North Carolina | $81,770 |
| 28. Iowa | $81,150 |
| 29. Texas | $81,080 |
Frequently asked questions
How much does a hydrologist make an hour in Illinois?
The median hourly pay in Illinois is $40.25 ($83,720 a year).
Do hydrologists make more in Illinois than the national average?
No: $83,720 against $96,600 nationally, 13% less.
Where does Illinois rank for hydrologist pay?
Illinois ranks 26 of 34 states.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS): pay in May 2025, published by BLS in 2026. Hourly pay is the yearly figure divided by 2,080 hours.