Mid-level Biological Technician salary in Chicago, IL

Based on 17 certified H-1B filings at DOL wage level II in the Chicago-Naperville-Elgin, IL-IN metro area, FY2025–FY2026. Includes Evanston, Maywood, Round Lake, Schaumburg.

Also listed as: Research Associate (Biology)

Median salary$51,657
Middle 50%$48.7k–$60k
vs. all levels here+3%comparison median $50,000
Filings17FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $40,832 and $66,683.
PercentileSalary
10th$46,800
25th$48,693
50th (median)$51,657
75th$60,000
90th$64,264

Cost of living

Chicago's median mid-level Biological Technician salary of $51,657 is worth about $49,900 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Chicago = 103.6).

Compared with all workers here

All Biological Technicians in the Chicago, IL area earned a median of $57,700 in May 2025 (470 employed). The H-1B median here is $51,657, 10% 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
The University of Chicagotoo few6
Northwestern Universitytoo few4
Cell Biologicstoo few2
Loyola University Chicagotoo few2

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

By experience level

Wage levelMedianFilings
Entry-level · Level I $45,163 12
Mid-level · Level II $51,657 17
Senior · Level III too few 3
Expert · Level IV – 0

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$29,931$45,16312
Mid-level · Level II$38,147$51,65717

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.