Biological Scientists, All Other Salary in Illinois

Other biological scientists in Illinois earn the most in Chicago (average $94,030 a year) and the least in Champaign ($85,610), across the 2 Illinois metro areas we cover. Statewide, BLS puts the other biological scientists average at $92,380 and the median at $82,640 for 1,300 workers. The U.S. average for this job is $106,330.

Biological Scientists, All Other average salary by city in Illinois

Chicago$94,030
Champaign$85,610

Pay, take-home pay and cost of living

City	Average	Median	25th pct.	Take-home*	Cost of living
Chicago	$94,030	$85,680	$64,840	$70,467	104
Champaign	$85,610	$70,870	$50,240	$64,960	93

*Average salary after federal and state taxes for a single filer. Cost of living: BEA price parity, U.S. = 100.

Biological Scientists, All Other salary in other states

Biological Scientists, All Other salary by city and state

More about pay in Illinois

Sources and how to read this page

Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates for metropolitan areas. SOC code 19-1029.
U.S. and statewide figures: BLS OEWS national and state estimates, May 2025, every employer including rural areas.
Cost of living: Bureau of Economic Analysis regional price parities (RPP), 2024; 100 = U.S. average.

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