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Flexible Spending Account (FSA) in Illinois 2026

Calculate your flexible spending account (fsa) tax savings in Illinois. With Illinois's 4.95% top state tax rate, your combined savings are higher.

Illinois Tax Overview

State Income Tax
4.95%
flat
Sales Tax
6.25%
avg combined: 8.82%
Property Tax Rate
2.07%
Median Income
$72,205

Flat 4.95% (constitutionally mandated). No standard deduction. Second-highest property taxes (2.07%). Most retirement income exempt.

Illinois Income Tax Brackets (Single)

4.95%
$0 +
Your bracket
$862
Est. Total Savings
$3,200
Max Deduction
Pre-Tax
Deduction Type
26.9%
Combined Tax Rate

Flexible Spending Account (FSA) Savings Calculator for Illinois

$
$

Federal Savings

$704

22% bracket

Illinois State

$158

4.95% rate

Total Savings

$862

26.9% combined

At a 26.9% combined tax rate in Illinois, every $1,000 in deductions saves you $270 in taxes.

Savings by Tax Bracket in Illinois

10%
$748
12%
$848
22%
$1,348
24%
$1,448
32%
$1,848
35%
$1,998
37%
$2,098

Includes 4.95% Illinois state tax on top of federal savings.

Eligibility Requirements

Employees with employer-offered FSA

  • 1$3,200 limit 2024
  • 2Use it or lose it (with carryover)
  • 3Employer plan required

Illinois residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 4.95%.

Common Mistakes to Avoid

  • !Over-contributing
  • !Not using funds by deadline
  • !Forgetting to claim the deduction on your Illinois state return (missing up to 4.95% additional savings)

Illinois Filing Tips

With no standard deduction, maximize pre-tax retirement contributions. Property taxes can exceed $10,000 annually. Illinois exempts most retirement income. Focus on property tax reduction strategies.

Required Tax Forms

W-2

File these forms with your federal tax return to claim the flexible spending account (fsa). Illinois may require additional state-specific forms.

Other Tax Deductions in Illinois

Medical & Dental Expenses

Medical

~$3,675
est. savings

Self-Employed Health Insurance

Medical

~$6,125
est. savings

HSA Contribution Deduction

Medical

~$2,205
est. savings

Long-Term Care Insurance

Medical

~$2,450
est. savings

Medical Travel Expenses

Medical

~$980
est. savings

Medical Equipment & Devices

Medical

~$1,837
est. savings

Therapy & Counseling

Medical

~$2,450
est. savings

Dental & Vision Expenses

Medical

~$1,470
est. savings

Flexible Spending Account (FSA) in Neighboring States

Wisconsin

7.65% top rate (progressive)

~$1,213
+351 vs Illinois

Iowa

3.8% top rate (flat)

~$1,055
+193 vs Illinois

Missouri

4.8% top rate (progressive)

~$1,096
+234 vs Illinois

Kentucky

4% top rate (flat)

~$1,064
+202 vs Illinois

Indiana

3.05% top rate (flat)

~$1,025
+163 vs Illinois

Tax Calculators for Illinois Cities

ChicagoAuroraJolietNapervilleRockfordElginSpringfieldPeoriaWaukeganChampaign

Calculate Your Full Tax Savings in Illinois

Use our free tax calculators to optimize your entire tax return for Illinois.

Income Tax CalculatorIllinois Income TaxFull Flexible Spending Account (FSA) Guide

Frequently Asked Questions

How much can I save with the Flexible Spending Account (FSA) in Illinois?

In Illinois, the flexible spending account (fsa) can save you an estimated $862 per year on a $5,000 deduction. This includes $704 in federal tax savings and $158 in Illinois state tax savings at the 4.95% marginal rate. The national average savings is $900/year.

What is the Illinois state income tax rate?

Illinois has a flat income tax system with a top rate of 4.95%. Flat 4.95% (constitutionally mandated). No standard deduction. Second-highest property taxes (2.07%). Most retirement income exempt.

Who qualifies for the Flexible Spending Account (FSA) in Illinois?

Employees with employer-offered FSA. The eligibility requirements are the same whether you live in Illinois or another state, as this is a federal tax deduction. However, your total savings will vary based on Illinois's 4.95% top state tax rate.

What tax forms do I need to claim the Flexible Spending Account (FSA) in Illinois?

To claim the flexible spending account (fsa), you need to file W-2 with your federal return. Illinois residents should also check if the state allows this deduction on their state return for additional savings of up to 4.95%. Filing status affects your deduction limits and tax bracket.

Is the Flexible Spending Account (FSA) better in Illinois than in states without income tax?

Yes, Illinois residents benefit more because the state's 4.95% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 26.9% means more savings per dollar deducted.

What is the standard deduction in Illinois for 2026?

Illinois's standard deduction is $0 for single filers and $0 for married filing jointly. With no standard deduction, maximize pre-tax retirement contributions. Property taxes can exceed $10,000 annually. Illinois exempts most retirement income. Focus on property tax reduction strategies.

Related Calculators

Medical & Dental Expenses in Illinois

Avg savings: $3,000/year

Self-Employed Health Insurance in Illinois

Avg savings: $5,000/year

HSA Contribution Deduction in Illinois

Avg savings: $1,800/year

Long-Term Care Insurance in Illinois

Avg savings: $2,000/year

Medical Travel Expenses in Illinois

Avg savings: $800/year

Medical Equipment & Devices in Illinois

Avg savings: $1,500/year