Chemical Plant and System Operators Salary in Illinois

State wage data from the BLS OEWS survey, May 2025.

Median annual

$65,710

Median hourly

$32

Average annual

$68,240

Employed in state

160

The median annual salary for Chemical Plant and System Operators in Illinois is $65,710, or about $32 an hour. That is 16% lower than the national median.

Pay in Illinois ranges from $60,580 at the 10th percentile to $83,690 at the 90th percentile. Roughly 160 people work as chemical plant and system operators in the state.

Pay distribution in Illinois

10th$60,580

25th$60,580

Median$65,710

75th$74,770

90th$83,690

Salary calculator

Pay amountPay period

Hours / weekWeeks / year

Hourly: $31.59
Daily: $253
Weekly: $1,264
Bi-weekly: $2,527
Monthly: $5,476
Annual: $65,710

$65,710 a year is around the 50th percentile for Chemical Plant and System Operatorss in Illinois. The median is $65,710.

Chemical Plant and System Operators — Illinois
Percentile	Hourly	Annual
10th percentile	$29.10	$60,580
25th percentile	$29.10	$60,580
Median	$31.60	$65,710
75th percentile	$36.00	$74,770
90th percentile	$40.20	$83,690
Average (mean)	$32.80	$68,240
Employment	160 people

Chemical Plant and System Operators pay by metro area in Illinois

Metro area	Median annual	Employment
Chicago-Naperville-Elgin, IL-IN	$65,750	110
St. Louis, MO-IL	$52,330	190

Other jobs in Illinois

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