Statute of Limitations for Wage and Hour / Overtime (state law) in Illinois

Overview

Illinois uses a 5-year statute of limitations for wage and hour and overtime claims under the general state limitations period. The controlling statute is 720 ILCS 5/3-6, and the applicable period provided in the jurisdiction data is 5 years.

For a wage claim, that usually means the clock starts running from the date the wages were due or the overtime violation occurred. If the unpaid pay was owed on a particular paycheck date, the limitations analysis generally turns on that date, not when the employee later discovered the issue.

DocketMath’s statute-of-limitations calculator helps you measure that deadline quickly using the key dates in the claim. If your case involves multiple unpaid pay periods, the calculator can show how each date may produce a different filing deadline.

Limitation period

Illinois wage and hour / overtime claims are subject to a 5-year limitation period in the jurisdiction data for this page. In practical terms, a claimant generally has 5 years from the accrual date to bring the claim.

Here’s the basic timing rule:

For wage disputes, this matters because one paycheck can still be timely even if earlier pay periods are already outside the filing window. That makes date-by-date analysis essential.

A few practical examples:

• If overtime was due on June 1, 2021, a 5-year period would ordinarily run until June 1, 2026.
• If a wage violation occurred on March 15, 2020, the deadline would ordinarily land on March 15, 2025.
• If an employee had 20 unpaid weekly overtime incidents, each week may have its own deadline.

For case review, the two most useful inputs are:

• The date the wage was due
• The date the claim was filed or will be filed

Those inputs tell you whether the claim is still inside the 5-year window.

Key exceptions

Illinois’ jurisdiction data for this page did not identify a special wage-and-hour sub-rule, so the general 5-year rule is the default. Even so, real-world deadline analysis can change based on claim structure and case facts.

Common issues that can affect the calculation include:

• Separate accrual dates: Each missed paycheck may create its own deadline.
• Ongoing violations: Repeated underpayment does not usually collapse into one single date for every pay period.
• Different causes of action: A wage claim and a related contract or penalty claim may follow different timing rules.
• Partial payments or corrections: A later payroll correction may change the amount in dispute, but it does not automatically restart the full limitations period.

A quick checklist can help before you rely on a deadline:

For Illinois reference-page purposes, the key takeaway is simple: use the 5-year default unless a more specific statute applies to the exact claim you are analyzing. The jurisdiction data for this page did not identify one.

Statute citation

The jurisdiction data for this page cites 720 ILCS 5/3-6 as the general statute supporting the 5-year limitation period.

That citation is the anchor for this reference page. In a deadline review, the citation matters for two reasons:

1. It identifies the controlling rule you are using.
2. It lets you verify whether the claim fits the general period or a different statutory framework.

For this Illinois page, the statutory rule supplied is:

The source provided in the jurisdiction data is:

• https://ilga.gov/ftp/Public%20Acts/101/101-0130.htm?utm_source=openai

This page intentionally treats the provided rule as the general/default period because no claim-type-specific sub-rule was supplied. That makes the reference clear and consistent for wage and hour / overtime timing checks.

Use the calculator

DocketMath’s statute-of-limitations tool gives you a fast way to test whether an Illinois wage claim is still timely under the 5-year period.

Use it when you need to:

• Check a single missed wage payment
• Map multiple overtime violations across different pay dates
• Estimate the filing deadline before drafting a complaint or demand
• Compare several accrual dates in the same matter

Start here: /tools/statute-of-limitations

What to enter

The calculator works best when you have exact dates. Typical inputs include:

• Violation date: when the overtime or wage violation occurred
• Pay date / due date: when the employee should have been paid
• Filing date: when the claim was filed or will be filed
• Jurisdiction: Illinois
• Claim type: wage and hour / overtime

How the output changes

The result changes based on the date you enter:

• Earlier violation dates produce earlier deadlines
• Later violation dates extend the deadline
• Multiple dates may generate multiple deadlines
• A filing date after the deadline indicates the claim is likely outside the 5-year window

That date-sensitive output is especially useful for payroll disputes because each paycheck can have its own limitations date. If one pay period is stale and another is still open, the calculator helps separate them cleanly.

When the calculator is most useful

• You have a paystub stack and need a quick first-pass deadline check
• The claim spans many weeks or months
• You are organizing a damages timeline
• You want a clean reference for internal case screening

Related reading

• Choosing the right statute of limitations tool for Vermont — How to choose the right calculator
• Statute of limitations in Singapore: how to estimate the deadline — Full how-to guide with jurisdiction-specific rules
• Choosing the right statute of limitations tool for Connecticut — How to choose the right calculator