Chemical Engineers Salary in Illinois

Chemical engineers in Illinois earn the most in Chicago (average $121,240 a year) and the least in Peoria ($108,770), across the 2 Illinois metro areas we cover. Statewide, BLS puts the chemical engineers average at $123,570 and the median at $121,560 for 520 workers. The U.S. average for this job is $129,980.

Chemical Engineers average salary by city in Illinois

Chicago$121,240
Peoria$108,770

Pay, take-home pay and cost of living

City	Average	Median	25th pct.	Take-home*	Cost of living
Chicago	$121,240	$110,760	$94,170	$88,262	104
Peoria	$108,770	$111,880	$97,470	$80,107	91

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

Chemical Engineers salary in other states

Chemical Engineers 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 17-2041.
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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