Senior Mechanical Engineer salary in Peoria, IL

Based on 32 certified H-1B filings at DOL wage level III in the Peoria, IL metro area, FY2025–FY2026. Includes Chillicothe, East Peoria, Mossville, Mapleton, Goodfield.

Also listed as: Mechanical Design Engineer

Median salary$116,771
Middle 50%$113.4k–$119.7k
vs. all levels here+16%comparison median $100,298
Filings32FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $113,443 and $154,794.
PercentileSalary
10th$113,443
25th$113,443
50th (median)$116,771
75th$119,716
90th$126,880

Salary by year

Median salary

$90k $110k $130k FY2020: median $117,013 (12 filings) FY2021: median $116,537 (18 filings) FY2022: median $115,000 (11 filings) FY2023: median $120,000 (11 filings) FY2024: median $109,886 (11 filings) FY2025: median $116,771 (14 filings) FY2026: median $114,275 (18 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 12 filings FY20 FY2021: 18 filings FY21 FY2022: 11 filings FY22 FY2023: 11 filings FY23 FY2024: 11 filings FY24 FY2025: 14 filings FY25 FY2026: 18 filings FY26 18
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$117,013$108,763$122,92412
FY2021$116,537$110,463$125,49418
FY2022$115,000$105,375$124,29411
FY2023$120,000$114,255$122,00011
FY2024$109,886$109,886$116,77111
FY2025$116,771$116,771$124,03714
FY2026$114,275$113,443$117,32218

Cost of living

Peoria's median senior Mechanical Engineer salary of $116,771 is worth about $128,000 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Peoria = 91.2).

Compared with all workers here

All Mechanical Engineers in the Peoria, IL area earned a median of $128,710 in May 2025 (2,120 employed). The H-1B median here is $116,771, 9% 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
Caterpillar$113,44312
Harvey Nashtoo few3
HCLTechtoo few2
Aditi Consultingtoo few2
Intellectttoo few2
Populus Grouptoo few2
Productive Resourcestoo few2

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

By experience level

Wage levelMedianFilings
Entry-level · Level I $83,803 43
Mid-level · Level II $100,298 106
Senior · Level III $116,771 32
Expert · Level IV $131,227 16

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$83,803$83,80343
Mid-level · Level II$95,680$100,298106
Senior · Level III$113,443$116,77132
Expert · Level IV$131,227$131,22716

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.