Senior Data Scientist salary in Peoria, IL
Based on 13 certified H-1B filings at DOL wage level III in the Peoria, IL metro area, FY2025–FY2026. Includes Chillicothe, Morton, East Peoria, Mapleton, Peoria Heights.
Also listed as: Machine Learning Scientist
Salary range
| Percentile | Salary |
|---|---|
| 10th | $103,314 |
| 25th | $103,314 |
| 50th (median) | $103,500 |
| 75th | $105,000 |
| 90th | $110,190 |
Cost of living
Peoria's median senior Data Scientist salary of $103,500 is worth about $113,400 at national average prices.
Source: BEA Regional Price Parities, 2024 (U.S. = 100; Peoria = 91.2).
Compared with all workers here
All Data Scientists in the Peoria, IL area earned a median of $120,000 in May 2025 (340 employed). The H-1B median here is $103,500, 14% 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 |
|---|---|---|
| Altext | too few | 2 |
| Caterpillar | 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 | $68,914 | 18 |
| Mid-level · Level II | $85,750 | 30 |
| Senior · Level III | $103,500 | 13 |
| Expert · Level IV | too few | 4 |
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 | $67,350 | $68,914 | 18 |
| Mid-level · Level II | $85,322 | $85,750 | 30 |
| Senior · Level III | $103,314 | $103,500 | 13 |
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.