Mid-level Mechanical Engineer salary in Boulder, CO

Based on 16 certified H-1B filings at DOL wage level II in the Boulder, CO metro area, FY2025–FY2026. Includes Lafayette, Longmont, Louisville.

Also listed as: Mechanical Design Engineer

Median salary$110,037
Middle 50%$106.9k–$115.4k
vs. all levels here−3%comparison median $113,846
Filings16FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $102,037 and $131,525.
PercentileSalary
10th$105,311
25th$106,905
50th (median)$110,037
75th$115,371
90th$126,534

Cost of living

Boulder's median mid-level Mechanical Engineer salary of $110,037 is worth about $104,600 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Boulder = 105.2).

Compared with all workers here

All Mechanical Engineers in the Boulder, CO area earned a median of $124,360 in May 2025 (1,130 employed). The H-1B median here is $110,037, 12% 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
Envision Energytoo few4
Quest Global Services-too few3

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

By experience level

Wage levelMedianFilings
Entry-level · Level I – 0
Mid-level · Level II $110,037 16
Senior · Level III too few 5
Expert · Level IV too few 2

Median shown when a level has at least 10 filings.

Minimum H-1B salary by level

Wage levelPrevailing wage (most common)Median offered salaryFilings
Mid-level · Level II$106,621$110,03716

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.