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Ironworker prevailing wage, Will County group, Illinois (2 counties)
IDOL sets the same ironworker rates, row for row, in 2 counties: Grundy and Will. Every figure on this page applies in each of them.
$102.83an hour, base + fringes
$54.50 wage + $48.33 fringe benefits
On Illinois public works in each of these 2 counties, an ironworker must be paid at least $102.83 an hour: a $54.50 base wage plus $48.33 in fringe benefits for health and welfare, pension, vacation, training and other insurance. IDOL lists each part but prints no total, so $102.83 is our sum of its columns. Overtime after 8 hours a day, Monday to Friday, is 2.0 times the base wage.
IDOL's schedule for each of these counties, 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: $54.50 + $48.33
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) | $54.50 |
| Health and welfare | $15.16 |
| Pension | $31.82 |
| Training | $1.35 |
| Base + fringes (our sum; IDOL prints no total) | $102.83 |
Foreman base wage: $59.95 an hour, with the same fringe benefits.
Davis-Bacon ironworker rates in these counties
The counties share IDOL's rates, but not always the same federal wage determination. 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.
| County | Federal classification | Base + fringe | WD | vs IDOL |
|---|---|---|---|---|
| Grundy County | IRONWORKER (DUPAGE (ARGONNE & VIC), GRUNDY, KENDALL (SOUTHERN PART), AND WILL COUNTIES) | $90.30 | IL20260008 Mod 3 | IDOL +$12.53 |
| Will County | IRONWORKER (DUPAGE (ARGONNE & VIC), GRUNDY, KENDALL (SOUTHERN PART), AND WILL COUNTIES) | $90.30 | IL20260008 Mod 3 | IDOL +$12.53 |
Holidays
IDOL's schedule for each of these counties: “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).
When this rate changes
- Illinois rates don't lock at bid. When IDOL revises a rate, “the revised rate shall apply to such contract” from its effective date, including jobs already under way (820 ILCS 130/4(l)).
- A missing notice is no excuse. A public body's failure to send the new rates “does not relieve the contractor of the duty to comply”, or of paying back wages (820 ILCS 130/4(g), (j)).
- IDOL surveys in June and must publish the year's schedule by July 15 (820 ILCS 130/9), then posts revisions through the year. In 2026 its postings took effect on Jan 15, Mar 2, Apr 15, May 21, Jul 15, Aug 15, Sep 21 and Oct 19, 2026. Each posting replaces all 102 county schedules.
- This page uses the posting for work performed on or after October 19, 2026 (IDOL current rates; older postings are on IDOL's historical rates page).
How the Will County group compares
The main ironworker 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
Wage and fringe benefits, nearby
- Will County groupbase $54.50$102.83
- Kankakee Countybase $51.55$95.54
- Grundy Countybase $54.50$102.83
- Kendall Countybase $55.75$104.52
Which county is in which ironworker group
Every Illinois county with a ironworker rate. Counties IDOL treats alike share one page; the rest have their own. You pay the rate for the county where the work is done.
| Counties | Main classification | Base + fringes | Base |
|---|---|---|---|
| Cook County group, 3 counties: Cook, DuPage, Lake | Iron Worker | $113.03 | $64.19 |
| McHenry County* | Iron Worker | $113.03 | $64.19 |
| DeKalb County* | Iron Worker | $107.09 | $57.55 |
| Kane County | Iron Worker | $107.09 | $57.55 |
| Kendall County* | Iron Worker | $104.52 | $55.75 |
| Winnebago County group, 4 counties: Boone, Ogle, Stephenson, Winnebago | Iron Worker | $103.28 | $50.74 |
| Carroll County* | Iron Worker | $103.28 | $50.74 |
| Jo Daviess County* | Iron Worker | $103.28 | $50.74 |
| Lee County* | Iron Worker | $103.28 | $50.74 |
| Whiteside County* | Iron Worker | $103.28 | $50.74 |
| Will County group, 2 counties: Grundy, Will | Iron Worker | $102.83 | $54.50 |
| Kankakee County | Iron Worker | $95.54 | $51.55 |
| Livingston County* | Iron Worker | $95.54 | $51.55 |
| LaSalle County group, 3 counties: Bureau, LaSalle, Putnam | Iron Worker | $94.64 | $51.55 |
| Peoria County group, 3 counties: Peoria, Tazewell, Woodford | Iron Worker | $75.89 | $41.05 |
| Fulton County* | Iron Worker | $75.89 | $41.05 |
| Knox County* | Iron Worker | $75.89 | $41.05 |
| Marshall County* | Iron Worker | $75.89 | $41.05 |
| Mason County* | Iron Worker | $75.89 | $41.05 |
| Stark County* | Iron Worker | $75.89 | $41.05 |
| Madison County group, 12 counties: Bond, Calhoun, Clinton, Jefferson, Jersey, Madison, Marion, Monroe, Perry, Randolph, St. Clair, Washington | Iron Worker | $75.33 | $43.35 |
| Williamson County group, 9 counties: Alexander, Hardin, Jackson, Johnson, Massac, Pope, Pulaski, Union, Williamson | Iron Worker | $72.56 | $40.11 |
| Rock Island County group, 3 counties: Henry, Mercer, Rock Island | Iron Worker | $72.38 | $39.00 |
| Sangamon County group, 11 counties: Brown, Cass, Christian, Greene, Logan, Menard, Morgan, Pike, Sangamon, Schuyler, Scott | Iron Worker | $72.35 | $39.31 |
| Effingham County* | Iron Worker | $72.35 | $39.31 |
| Fayette County* | Iron Worker | $72.35 | $39.31 |
| Macoupin County* | Iron Worker | $72.35 | $39.31 |
| Montgomery County* | Iron Worker | $72.35 | $39.31 |
| Champaign County group, 5 counties: Champaign, Douglas, Moultrie, Piatt, Vermilion | Iron Worker | $72.18 | $40.08 |
| De Witt County* | Iron Worker | $72.18 | $40.08 |
| Ford County* | Iron Worker | $72.18 | $40.08 |
| Iroquois County* | Iron Worker | $72.18 | $40.08 |
| Macon County* | Iron Worker | $72.18 | $40.08 |
| McLean County* | Iron Worker | $72.18 | $40.08 |
| Shelby County* | Iron Worker | $72.18 | $40.08 |
| Edgar County group, 6 counties: Clark, Coles, Crawford, Cumberland, Edgar, Jasper | Iron Worker | $68.29 | $42.00 |
| Franklin County group, 10 counties: Clay, Edwards, Franklin, Gallatin, Hamilton, Lawrence, Richland, Saline, Wabash, White | Iron Worker | $66.94 | $39.60 |
| Wayne County | Iron Worker | $66.94 | $39.60 |
| Hancock County group, 5 counties: Adams, Hancock, Henderson, McDonough, Warren | Iron Worker | $64.65 | $37.05 |
13 groups of counties with identical IDOL rates, and 26 counties with rates of their own. * Rate set by region inside the county; its page lists each region's rate.
More from IDOL on this rate
- Each county's IDOL schedule (PDF) is listed under Source below.
- 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.
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 $102.83. 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, posted October 19, 2026. IDOL prints one schedule per county:
- Grundy County: labor.illinois.gov/content/dam/soi/en/web/idol/laws-rules/conmed/documents/fy27/20261019/Grundy.pdf, page 1
- Will County: labor.illinois.gov/content/dam/soi/en/web/idol/laws-rules/conmed/documents/fy27/20261019/Will.pdf, page 1
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 every Illinois rate as CSV · Report an error