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St. Clair County · Millwright

Millwright prevailing wage in St. Clair County, Illinois

$72.02an hour, base wage + fringe benefits (our sum)

$47.37 base wage + $24.65 fringe benefits

St. Clair County uses the same millwright rates as 8 other counties. See all of them on one page.

On Illinois public works in St. Clair County, a millwright must be paid at least $72.02 an hour: a $47.37 base wage plus $24.65 in fringe benefits for health and welfare, pension, vacation, training and other insurance. IDOL lists each part but prints no total, so $72.02 is our sum of its columns. Overtime after 8 hours a day, Monday to Friday, is 1.5 times the base wage.

IDOL's St. Clair County schedule, posted October 19, 2026, for work performed on or after October 19, 2026. Checked against labor.illinois.gov on October 24, 2026.

Base wage and fringe benefits: $47.37 + $24.65

The base wage is the taxable hourly wage. The other lines are the fringe benefits IDOL lists for each hour: health and welfare, pension, vacation, training, and "other insurance", which IDOL's legend defines as the "employer hourly cost for any other type(s) of insurance".

Base wage (taxable)$47.37
Health and welfare$11.22
Pension$12.70
Training$0.73
Base + fringes (our sum; IDOL prints no total)$72.02

Foreman base wage: $49.87 an hour, with the same fringe benefits.

When does this rate change?

Davis-Bacon millwright rate in St. Clair County

Federally funded or assisted construction here uses the U.S. Department of Labor's wage determinations. When a contract requires both the state rate and the Davis-Bacon rate, paying the higher of the two meets both. The contract documents say which apply.

For building work, the matching Davis-Bacon classification is CARPENTER, LATHER, PILEDRIVER, AND MILLWRIGHT (BUILDING: ST. CLAIR COUNTY) at $60.26 ($41.36 base + $18.90 fringe), from IL20260007 modification 2, published May 18, 2026, rate CARP0500-002. Against IDOL's $72.02: IDOL's rate is $11.76 an hour higher.

ConstructionFederal classificationBase wageTotal rateWD
Building, ResidentialCARPENTER, LATHER, PILEDRIVER, AND MILLWRIGHT (RESIDENTIAL: ST. CLAIR COUNTY)CARP0500-002$31.30 $50.20 IL20260007 Mod 2
Building, ResidentialCARPENTER, LATHER, PILEDRIVER, AND MILLWRIGHT (BUILDING: ST. CLAIR COUNTY)CARP0500-002$41.36 $60.26 IL20260007 Mod 2

Davis-Bacon rates from SAM.gov, read October 25, 2026. Our federal totals are base plus fringe; DOL prints no total. Illinois Davis-Bacon changes

Holidays

IDOL's St. Clair County schedule: “The following list is considered as those days for which holiday rates of wages for work performed apply: New Years Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Christmas Day and Veterans Day in some classifications/counties. Generally, any of these holidays which fall on a Sunday is celebrated on the following Monday. This then makes work performed on that Monday payable at the appropriate overtime rate for holiday pay. Common practice in a given local may alter certain days of celebration. If in doubt, please check with IDOL.”

Holiday work is paid at the holiday multiple in the overtime table (2.0× the base wage for this row).

How St. Clair County compares

The main millwright rate in every county that has one, and how the pay splits here and in the nearest counties. All bars use the same scale.

Every county in Illinois

$71.48Alexander$108.33Will
St. ClairNearby: Monroe $72.02, Madison $72.02, Perry $71.48Each column is a group of counties with about the same main rate; its height is how many. 65 counties pay more than St. Clair, 8 the same, 28 less.

Base wage and fringe benefits, nearby

  1. St. Clair Countybase $47.37$72.02
  2. Monroe Countybase $47.37$72.02
  3. Madison Countybase $47.37$72.02
  4. Perry Countybase $46.83$71.48

Millwright rates in nearby counties

Current IDOL rates. You pay the rate for the county where the work is done. The Act defines “locality” as the county of the physical work, with narrow exceptions (820 ILCS 130/2).

IDOL's millwright rates for St. Clair County are the same as in 8 other counties: Bond, Calhoun, Clinton, Jersey, Madison, Monroe, Randolph, Washington. The closest county with a different rate is Perry County, at $71.48.

CountyClassificationBase wageTotal ratevs St. Clair County
St. Clair CountyMillwright$47.37 $72.02 
Monroe CountyMillwright$47.37 $72.02 same
Madison CountyMillwright$47.37 $72.02 same
Clinton CountyMillwright$47.37 $72.02 same
Washington CountyMillwright$47.37 $72.02 same
Randolph CountyMillwright$47.37 $72.02 same
Bond CountyMillwright$47.37 $72.02 same

Illinois millwright prevailing wage by county, with a map

More from IDOL on this rate

  • St. Clair County schedule (IDOL PDF, page 2)
  • Work that no listed trade covers: IDOL names a neighboring county's classification to use. Call 217-782-1710.
  • Apprentices: IDOL's county schedules list journeyworker and foreman rates only.

All St. Clair County prevailing wage rates

Are you being paid this rate?

Add your base wage to what your employer pays into health, pension and other plans for you, and compare it with $72.02. Your contractor has to post the rates on the job site or give you written notice of them (820 ILCS 130/4(n)), and file a certified payroll with IDOL by the 15th of each month for the month before (820 ILCS 130/5).

A worker paid less than the prevailing rate can sue for the difference (820 ILCS 130/4(g)).

Source

Illinois Department of Labor, prevailing wage rates for St. Clair County, posted October 19, 2026, page 2: labor.illinois.gov/content/dam/soi/en/web/idol/laws-rules/conmed/documents/fy27/20261019/St. Clair.pdf

Each figure is read from IDOL's PDF and checked by a second, separate reader. IDOL prints no total; ours is re-added independently. How we check · Download St. Clair County as CSV · Report an error