Illinois Department of Employment Security approves unemployment claims for workers who meet the base period wage requirements, are unemployed through no fault of their own, and are able and available to work. Illinois offers up to $628 per week with no waiting week — one of the more generous systems in the Midwest. The most common eligibility disputes in Illinois involve separation reasons, particularly when employers and workers disagree about whether the separation was a layoff or a quit.
- Illinois requires base period wages of at least $1,600 total, with at least $440 outside the highest quarter.
- Layoffs, position eliminations, and most firings that are not for misconduct qualify. Voluntary quits require "good cause attributable to the employer."
- Illinois has no waiting week — eligibility from day one means filing promptly is more valuable than in most states.
Always verify exact numbers, deadlines, and forms on the Illinois Department of Employment Security's official website – this page provides general guidance, not state-specific legal advice.
Wage Requirements
Illinois requires a two-part wage test. First, your total base period wages must be at least $1,600. Second, you must have at least $440 in wages outside your highest-earning quarter — meaning you cannot have all your base period earnings concentrated in a single quarter. Both conditions must be met.
The base period covers the first four of the last five completed calendar quarters before your filing date. If you file in June 2025 (Q2 2025), the base period is Q1 2024 through Q4 2024. Wages from January through March 2025 do not count in the standard base period. If your income during the standard base period was low due to illness or gaps in work, ask IDES about the alternate base period option, which uses more recent quarters.
Qualifying Reasons for Job Loss
Illinois approves claims for: layoffs, position eliminations, plant closures, reductions in force, furloughs without a definite return date, and terminations that do not rise to the level of misconduct. Illinois defines misconduct as deliberate or willful violations of the employer's reasonable rules and expectations — not mere incompetence, mistakes, or inability to perform the job at the required level.
Illinois does allow voluntary quits to qualify when the worker had "good cause attributable to the employer." Illinois courts have recognized good cause in cases involving: significant changes to pay or working conditions imposed by the employer, repeated instances of harassment or discrimination not addressed by management, unsafe working conditions the employer refused to correct, and required relocations that were unreasonable. Simply preferring a different job or leaving for personal reasons does not meet the good cause standard.
Ongoing Eligibility: Ability and Availability
Illinois requires that you be physically able to work, available for work, and actively seeking employment during each week you claim benefits. Workers who are completely unavailable — due to illness, vacation, or personal obligations — are not eligible for those specific weeks. Work search of 3 contacts per week is required, beginning the first week of your claim.
Dependency Allowances and Eligibility
Illinois's dependency allowances ($15/dependent/week, max $92.50/week) are available to eligible claimants who have qualifying dependents. Claiming these allowances is part of the eligibility determination process — IDES verifies dependent status. Providing false information about dependents to inflate your benefit payment is fraud and can result in an overpayment finding with penalties.
Frequently Asked Questions
- What wages does Illinois look at to determine unemployment eligibility?
- Illinois uses a "base period" — the first four of the last five completed calendar quarters before you file. Within that period, you need (1) total wages of at least $1,600, and (2) wages of at least $440 in quarters other than your highest-earning quarter. Both conditions must be met simultaneously. If all your earnings were concentrated in one quarter, you may not qualify under the second test. Illinois also has an alternate base period using the four most recently completed quarters — ask IDES if your standard base period wages are insufficient.
- I was fired in Illinois. Do I automatically lose my unemployment eligibility?
- No. Illinois disqualifies workers fired for "misconduct," defined as deliberate violations of reasonable employer standards with knowledge that the behavior was wrong. Performance problems, skill deficiencies, and single mistakes generally do not meet this standard under Illinois law. If you were fired for a reason that involved effort (trying but failing) rather than intent (deliberately doing wrong), you likely qualify. File your claim accurately and let IDES make the determination. If denied for misconduct, you have 30 days to appeal.
- I voluntarily quit my Illinois job. Can I collect unemployment?
- Voluntary quits are denied unless you had "good cause attributable to the employer." Illinois law requires the cause to be connected to the employer's actions or working conditions — not personal preferences. Illinois has recognized good cause in cases of: employer-imposed pay cuts (especially significant reductions), repeated harassment or hostile work environment where management failed to act despite complaints, dangerous working conditions, and employer-mandated moves to a new work location that substantially increased commute burden without adequate notice. Document your complaints and the employer's response before you quit — evidence of employer inaction on a legitimate complaint is the core of a successful good-cause claim in Illinois.
- How does Illinois handle eligibility when a layoff comes with severance pay?
- Severance pay in Illinois generally does not automatically disqualify you from unemployment. Illinois deducts severance payments from your unemployment benefits only if the severance was paid as wages for time during which you were still technically employed (continuation pay). A lump-sum severance paid at the end of employment typically does not affect your weekly benefit amount. However, if your employer structured the severance as a retention of "employment" for a specific number of weeks — with continued benefits and obligations — those weeks may be treated as weeks of continued employment by IDES, delaying when your unemployment benefits begin. Review your severance agreement and report the terms accurately when you file.
- I was on a temporary layoff in Illinois. When should I file for unemployment?
- File immediately — even if your employer told you the layoff is temporary and they expect to recall you. Illinois has no waiting week, so every week of payable unemployment you delay filing is a week of benefits you permanently lose. If you are recalled before your claim is processed, you simply stop certifying. If the recall is delayed or does not happen, you have benefits in place from the start of the layoff, not from the day you finally filed. IDES handles temporary layoffs routinely — note on your application that the separation was a temporary layoff and provide the expected recall date if your employer gave you one.