How much does a Chemical Plant Operator make in Missouri? As of September 01, 2026, the average salary for a Chemical Plant Operator in Missouri is $54,075 per year, which breaks down to an hourly rate of $26.

However, a Chemical Plant Operator's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $69,277
  • Majority Range (25th-75th percentile): $49,502 to $62,032
  • Entry-Level (10th percentile): $45,339

Key Factors That Influence Chemical Plant Operator Salaries

A Chemical Plant Operator's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.

How Experience Level Affects Chemical Plant Operator Salaries?

Experience is a primary driver of a Chemical Plant Operator's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $42,378
  • Early Career (1-2 years): $52,417
  • Mid-Level (2-4 years): $57,802
  • Senior-Level (5-8 years): $94,505
  • Expert (over 8 years): $130,611
Job RoleYears of ExperienceAverage Salary
Chemical Plant Operator I less than 1 year $42,378
Chemical Plant Operator 1-2 years $52,417
Chemical Plant Operator III 2-4 years $57,802
Chemical Plant Operations Supervisor 5-8 years $94,505
Chemical Plant Operations Manager over 8 years $130,611

Top Paying Cities for Chemical Plant Operator

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • Braggadocio: $52,398
  • Eugene: $52,611
  • Fortuna: $52,597

Chemical Plant Operator Salary by Industry: Top Paying Sectors

For Chemical Plant Operator roles, the industry you choose can affect earning potential by as much as 60% (the gap between the highest and lowest paying industries). Data shows that the Energy & Utilities and Construction sectors offer the strongest compensation, at 30% above the average. In contrast, Chemical Plant Operator positions in Internet or Transportation typically offer lower base pay, as these industries often view Chemical Plant Operator as a support function rather than a direct revenue driver.

The top paying industries for a Chemical Plant Operator

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Energy & Utilities $70,297 $34.0 30%
Construction $64,889 $31.0 20%
Telecom $62,186 $30.0 15%
Aerospace & Defense $59,482 $29.0 10%
Pharmaceuticals $59,482 $29.0 10%

Chemical Plant Operator Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Chemical Plant Operator's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$49,502
Average $54,075/year
$62,032
$4,125
Average $4,506/month
$5,169
$952
Average $1,040/week
$1,193
$24
Average $26/hour
$30
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $62,032 $5,169 $1,193 $30
Average $54,075 $4,506 $1,040 $26
25th Percentile $49,502 $4,125 $952 $24

Find Your Next Chemical Plant Operator Job

Ready to take the next step in your career? Browse thousands of current Chemical Plant Operator job openings on our job board. Use the search bar below to find your perfect match.

  • Reliant Holdings Ltd | Carrollton, MO

    Reliant Holdings Ltd | Carrollton, MO

    Job Description. Job Description. Great company, great people, great benefits. A position is open for a plant operator (12 hour shifts) whose duties will i... more

    6 Days Ago

  • Labor Solutions, LLC | Kansas City, MO

    Labor Solutions, LLC | Kansas City, MO

    Job Description. Job Description. Labor Solutions is seeking a reliable, hardworking, and mechanically inclined individual to join our production team. Thi... more

    2 Days Ago

  • STERIS | Saint Louis, MO

    STERIS | Saint Louis, MO

    Chemical Filling & Packaging Operator II - 3rd ShiftReq ID:52901Job Category:Manufacturing OperationsLocation:St. Louis, MO, US, 63133Workplace Type:Onsite... more

    6 Days Ago

  • BMC Enterprises, Inc | O Fallon, MO

    BMC Enterprises, Inc | O Fallon, MO

    OverviewJoin our dynamic team as a Plant Operator/Backup Batchman and become a vital part of our manufacturing process. In this role, you will operate and ... more

    2 Days Ago

  • City of Fulton | Fulton, MO

    City of Fulton | Fulton, MO

    Job Description. Job Description. About Us. The City of Fulton has three primary sources of electrical power - Southwest Power Administration, Sikeston Pow... more

    2 Days Ago

  • CRH | Kansas City, MO

    CRH | Kansas City, MO

    CRH - - Responsibilities: Operate and maintain heavy equipment. Perform daily safety checks and inspections. Coordinate with foreman on tasks and schedules... more

    2 Days Ago

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