Mid-level Data Scientist salary in Peoria, IL

Based on 30 certified H-1B filings at DOL wage level II in the Peoria, IL metro area, FY2025–FY2026. Includes Chillicothe, Morton, East Peoria, Mapleton, Peoria Heights.

Also listed as: Machine Learning Scientist

Median salary$85,750
Middle 50%$85.3k–$94.7k
vs. all levels here−1%comparison median $86,500
Filings30FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $85,176 and $120,523.
PercentileSalary
10th$85,176
25th$85,322
50th (median)$85,750
75th$94,744
90th$103,744

Salary by year

Median salary

$70k $85k $100k FY2023: median $84,448 (10 filings) FY2024: median $85,176 (12 filings) FY2025: median $85,322 (16 filings) FY2026: median $90,000 (14 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 2 filings FY20 FY2021: 4 filings FY21 FY2022: 7 filings FY22 FY2023: 10 filings FY23 FY2024: 12 filings FY24 FY2025: 16 filings FY25 FY2026: 14 filings FY26 16
Shaded: FY2025–FY2026, the years behind the figures above. Median shown for years with at least 10 filings. FY2026 covers Q1–Q3 only.
Show as table
Fiscal yearMedianP25P75Filings
FY2020–––2
FY2021–––4
FY2022–––7
FY2023$84,448$80,922$90,60910
FY2024$85,176$84,448$87,06912
FY2025$85,322$85,176$89,01416
FY2026$90,000$85,492$96,12514

Cost of living

Peoria's median mid-level Data Scientist salary of $85,750 is worth about $94,000 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 $85,750, 29% 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

EmployerMedianFilings
Caterpillartoo few7
Servotechtoo few3
Tada Cognitive Solutionstoo few3
Belcan Services Group, LTD Partnershiptoo few2

Employers with at least 2 filings here. Median shown at 10+ filings.

By experience level

Wage levelMedianFilings
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 levelPrevailing wage (most common)Median offered salaryFilings
Entry-level · Level I$67,350$68,91418
Mid-level · Level II$85,322$85,75030
Senior · Level III$103,314$103,50013

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.