Mid-level Chemist salary in St. Louis, MO
Based on 12 certified H-1B filings at DOL wage level II in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes St Louis, Chesterfield, Maryland Heights, Saint Charles, Saint Louis.
Also listed as: Quality Control Chemist, Analytical Chemist
Salary range
| Percentile | Salary |
|---|---|
| 10th | $60,023 |
| 25th | $74,386 |
| 50th (median) | $83,830 |
| 75th | $86,044 |
| 90th | $89,917 |
Cost of living
St. Louis's median mid-level Chemist salary of $83,830 is worth about $88,200 at national average prices.
Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).
Compared with all workers here
All Chemists in the St. Louis, MO area earned a median of $86,690 in May 2025 (1,040 employed). The H-1B median here is $83,830, 3% lower.
Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.
Employers filing at this level
| Employer | Median | Filings |
|---|---|---|
| Washington University | too few | 4 |
| API Innovation Center | too few | 2 |
Employers with at least 2 filings here. Median shown at 10+ filings.
By experience level
| Wage level | Median | Filings |
|---|---|---|
| Entry-level · Level I | too few | 4 |
| Mid-level · Level II | $83,830 | 12 |
| Senior · Level III | – | 0 |
| Expert · Level IV | – | 0 |
Median shown when a level has at least 10 filings.
Minimum H-1B salary by level
| Wage level | Prevailing wage (most common) | Median offered salary | Filings |
|---|---|---|---|
| Mid-level · Level II | $79,102 | $83,830 | 12 |
The prevailing wage is the minimum an employer must pay for this job and area. Amounts vary by county within a metro and by wage source.