Research Scientist (Computer Science) salary in St. Louis, MO
Based on 15 certified H-1B filings in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes Saint Louis, St Louis, Saint Peters, Valley Park.
Also listed as: Machine Learning Engineer, AI Researcher
Salary range
| Percentile | Salary |
|---|---|
| 10th | $61,539 |
| 25th | $73,330 |
| 50th (median) | $98,088 |
| 75th | $130,562 |
| 90th | $170,123 |
Cost of living
St. Louis's median Research Scientist (Computer Science) salary of $98,088 is worth about $103,200 at national average prices.
Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).
Compared with all workers here
All Computer and Information Research Scientists in the St. Louis, MO area earned a median of $142,660 in May 2025 (100 employed). The H-1B median here is $98,088, 31% lower.
Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.
Top employers filing
| Employer | Median | Filings |
|---|---|---|
| Saint Louis University | too few | 6 |
| Equifax | too few | 2 |
| Washington University | 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 | 6 |
| Mid-level · Level II | – | 0 |
| Senior · Level III | – | 0 |
| Expert · Level IV | too few | 2 |
Median shown when a level has at least 10 filings.