Environmental Scientist Salary in Illinois
Based on 1K+ workers in Illinois
Data year: 2024 · Last updated: May 2026
Median Annual Salary (IL)
$89,010
$42.793/hr
vs National Average
$77,423
+15.0% vs national median
Salary Range (10th–90th)
$53K – $165K
1K employed in Illinois
Salary Distribution — Environmental Scientist in Illinois
| Percentile | Annual Salary |
|---|---|
| 10th percentile | $52,790 |
| 25th percentile | $62,370 |
| Median (50th percentile) | $89,010 |
| 75th percentile | $126,190 |
| 90th percentile | $164,990 |
Historical Salary Trend — Environmental Scientist in Illinois vs National
| Year | Median Salary (United States) |
|---|---|
| 2022 | $67,030 |
| 2023 | $76,200 |
| 2024 | $89,010 |
| Year | Illinois Median | National Median |
|---|---|---|
| 2022 | $67,030 | $70,215 |
| 2023 | $76,200 | $74,160 |
| 2024 | $89,010 | $77,423 |