Data Scientist salary in St. Louis, MO
Based on 360 certified H-1B filings in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes Maryland Heights, Chesterfield, O'fallon, Saint Louis, Clayton.
Also listed as: Machine Learning Scientist
Salary range
| Percentile | Salary |
|---|---|
| 10th | $64,924 |
| 25th | $78,083 |
| 50th (median) | $94,433 |
| 75th | $118,498 |
| 90th | $141,326 |
Salary by year
Median salary
Filings per year
Show as table
| Fiscal year | Median | P25 | P75 | Filings |
|---|---|---|---|---|
| FY2020 | $83,325 | $78,314 | $98,301 | 27 |
| FY2021 | $98,031 | $74,650 | $104,272 | 34 |
| FY2022 | $99,750 | $84,507 | $106,553 | 58 |
| FY2023 | $95,576 | $79,000 | $112,528 | 113 |
| FY2024 | $87,693 | $72,500 | $105,709 | 107 |
| FY2025 | $92,988 | $75,962 | $111,509 | 192 |
| FY2026 | $98,446 | $78,098 | $120,000 | 168 |
Cost of living
St. Louis's median Data Scientist salary of $94,433 is worth about $99,300 at national average prices.
Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).
Compared with all workers here
All Data Scientists in the St. Louis, MO area earned a median of $99,600 in May 2025 (2,640 employed). The H-1B median here is $94,433, 5% 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 |
|---|---|---|
| Charter Communications | $111,509 | 37 |
| Mastercard | $118,789 | 24 |
| Bayer Research and Development Services | $139,749 | 14 |
| Washington University | $70,200 | 11 |
| Schnuck Markets | too few | 9 |
| Equifax | too few | 7 |
| RGA Enterprise Services Company | too few | 7 |
| Aspire Systems Digital Transformation | too few | 6 |
| Limelightlogic | too few | 5 |
| Bayer CropScience | too few | 4 |
Employers with at least 2 filings here. Median shown at 10+ filings.
By experience level
| Wage level | Median | Filings |
|---|---|---|
| Entry-level · Level I | $62,000 | 61 |
| Mid-level · Level II | $79,000 | 139 |
| Senior · Level III | $98,800 | 77 |
| Expert · Level IV | $125,000 | 79 |
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 |
|---|---|---|---|
| Entry-level · Level I | $58,178 | $62,000 | 61 |
| Mid-level · Level II | $75,962 | $79,000 | 139 |
| Senior · Level III | $98,446 | $98,800 | 77 |
| Expert · Level IV | $118,789 | $125,000 | 79 |
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.