Illinois vs Washington Payroll Comparison

Compare payroll compliance requirements between Illinois and Washington. See key differences in wages, taxes, leave policies, and employer obligations.

Compare State Payroll Requirements

Select 2 states to compare their payroll compliance requirements side-by-side.

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RequirementIllinoisWashington
Minimum Wage⚠️$15.00/hour (state); $16.60/hour (Chicago large employers)⚠️$17.13/hour (2026); Seattle $21.30
Tipped Minimum60% of minimum wage ($9.00 state)$17.13 (no tip credit)
Overtime Threshold40 hours/week (1.5x regular rate)40 hours/week
Final Pay (Termination)Next regular paydayEnd of next regular pay period
Final Pay (Resignation)Next regular paydayEnd of next regular pay period
PTO Payout Required?⚠️Yes (accrued vacation must be paid)No (unless policy requires)
Pay Frequency MandateSemi-monthly (most employees)At least monthly
State Income Tax⚠️Yes (4.95% flat rate)None
Unemployment InsuranceYesYes
State Disability InsuranceNoNo (separate from PFML)
Paid Family LeaveNo (state program not yet enacted)⚠️Yes (WA PFML)
Paid Sick Leave⚠️Yes (40 hours/year - Paid Leave for All Workers Act)⚠️Yes (1 hour per 40 hours)
Workers' Comp Required⚠️Yes (all employers)⚠️Yes (all employees)
⚠️More restrictive / complexSimpler / no requirement

Summary

Illinois has the most complex compliance requirements. Key differences: Washington has no state income tax.

Key Differences: Illinois vs Washington

ILIllinois

  • Minimum Wage:$15.00/hour (state); $16.60/hour (Chicago large employers)
  • Tipped Minimum:60% of minimum wage ($9.00 state)
  • Overtime Threshold:40 hours/week (1.5x regular rate)
  • Final Pay (Termination):Next regular payday
  • Final Pay (Resignation):Next regular payday
  • PTO Payout Required?:Yes (accrued vacation must be paid)
View full Illinois guide →

WAWashington

  • Minimum Wage:$17.13/hour (2026); Seattle $21.30
  • Tipped Minimum:$17.13 (no tip credit)
  • Overtime Threshold:40 hours/week
  • Final Pay (Termination):End of next regular pay period
  • Final Pay (Resignation):End of next regular pay period
  • PTO Payout Required?:No (unless policy requires)
View full Washington guide →

Understanding Illinois and Washington Payroll Differences

State Income Tax: Illinois has state income tax (Yes (4.95% flat rate)), while Washington has no state income tax. This significantly impacts both employer withholding responsibilities and employee take-home pay.

Minimum Wage: Illinois minimum wage is $15.00/hour (state); $16.60/hour (Chicago large employers), compared to Washington at $17.13/hour (2026); Seattle $21.30. Employers must pay at least the higher of federal, state, or local minimum wage requirements.

Paid Sick Leave: Illinois: Yes (40 hours/year - Paid Leave for All Workers Act). Washington: Yes (1 hour per 40 hours). States with mandatory paid sick leave require employers to track accruals and provide specific leave entitlements.

For complete compliance requirements, review the full state guides for Illinois and Washington.