What is the prevailing wage in Illinois?

There is no single Illinois prevailing wage - rates are set per county, construction type, and job classification. For state-funded work, Illinois Department of Labor publishes the schedules under 820 ILCS 130. The 69 active federal determinations for Illinois are indexed on this site with links to the official SAM.gov documents.

Does Illinois have a state prevailing-wage law?

Yes - 820 ILCS 130, with no contract-size threshold, administered by Illinois Department of Labor.

How do I look up prevailing wage rates in Illinois?

For federally funded projects: find your county in the Illinois determination index and open the official SAM.gov wage determination for your construction type. For state-funded projects: use Illinois Department of Labor's schedules. Rates are per classification: base rate plus fringe.

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Illinois prevailing wage

State law, federal determinations, and how to find the rate that applies

Illinois has its own prevailing-wage law (820 ILCS 130), with no contract-size threshold (all covered public works), administered by Illinois Department of Labor.
The U.S. Department of Labor has 69 active federal Davis-Bacon wage determinations covering 102 Illinois counties as of 2026-10-29 (latest revision date), each setting county rates by trade for federally funded construction.
Market context: the average private construction worker in Illinois earned $1,803/week (≈ $45.08/hour) in Q1 2026, rank #7 of 51 states, per the BLS Quarterly Census of Employment and Wages - an industry average, not a prevailing-wage rate.

State prevailing-wage law

Yes

820 ILCS 130

Contract threshold

None

all covered public works

Active federal WDs

county index →

No dollar threshold; covers fixed works constructed or demolished by a public body or paid wholly or partly from public funds.

Official record finder

Find the federal determination for your project

Choose a county and construction type, then open the matching determination. This is a shortcut to the official record, not a wage quote.

Federal Davis-Bacon only. For state or locally funded work, start with the official Illinois schedule. The determination in the contract controls if this index and a contract ever differ.

How to find the required rate

State or locally funded project: use the rate schedules from Illinois Department of Labor - official Illinois prevailing-wage portal.
Federally funded project: find the county in the Illinois determination index and open the official SAM.gov document for your construction type.
Read the classification line - base rate plus fringe (how to read a determination); compute totals and overtime with the calculator.

The official source: binding Davis-Bacon and Service Contract Act wage determinations are published by the U.S. Department of Labor at SAM.gov Wage Determinations. This site indexes them and links every determination to its official document - the determination incorporated into a contract governs.

Federal determinations at a glance

Building: 9 · Heavy: 11 · Highway: 9 · Residential: 58 - every determination and the counties it covers are listed in the Illinois wage-determination index, each with its full rate schedule mirrored. Service contracts: 53 active SCA determinations for Illinois.

Recently revised determinations

IL20260017 (rev 6) - modified 2026-10-29, Heavy, Highway
IL20260012 (rev 3) - modified 2026-10-29, Heavy, Highway
IL20260009 (rev 3) - modified 2026-10-22, Building, Heavy, Highway, Residential

All recent updates →

What construction actually pays here

Separate from any required rate: BLS data puts the average private construction wage in Illinois at $1,803/week (+6.0% YoY) in Q1 2026 - details and history on Illinois construction wages.

Learn the system

What a prevailing wage is · The Davis-Bacon Act · Certified payroll · Fringe calculator

Data on this page is from U.S. government public-domain sources - free to reuse with credit and a link to prevailingwageindex.com.