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2026 Federal + IL Rules

2026 federal, state and local taxes

Illinois Income Tax Calculator (2026)

Estimate your 2026 Illinois income tax. On $75,000, a single filer pays about $3,568 in state tax, plus federal tax and FICA.

2026 Tax and Take-Home Pay

Estimate
Income After Tax $68,422 $5,702 / month
Total Tax $23,178 Effective Rate: 23.18%
Top Federal Bracket 22.0% State Marginal Rate: 4.95%

Tax and Pay Breakdown

Item Annual Monthly (÷12) Bi-Weekly (÷26)
Gross Income $100,000 $8,333 $3,846
Pre-Tax Deductions (401k + Health/HSA) -$8,400 -$700 -$323
Federal Income Tax (after Credits) -$11,322 -$944 -$435
Social Security Tax (6.2%) -$6,051 -$504 -$233
Medicare Tax (1.45% + 0.9% Additional) -$1,415 -$118 -$54
State Income Tax (Illinois) -$4,389 -$366 -$169
Take-Home Pay $68,422 $5,702 $2,632

2026 Federal Tax by Bracket

Bracket Rate Bracket Range Your Income in Bracket Tax in Bracket
10% $0 – $12,400 $12,400 $1,240
12% $12,400 – $50,400 $38,000 $4,560
22% $50,400 – $105,700 $25,100 $5,522
24% $105,700 – $201,775 $0 $0
32% $201,775 – $256,225 $0 $0
35% $256,225 – $640,600 $0 $0
37% $640,600 – and up $0 $0

Illinois Take-Home Pay by Salary, 2026 (Single Filer)

No Pre-Tax Deductions
Gross Annual Salary Federal Tax FICA Tax Illinois State Tax Total Tax Effective Rate Net Take-Home Pay
$50,000 $3,820 $3,825 $2,330 $9,975 20.0% $40,025
$75,000 $7,670 $5,738 $3,568 $16,975 22.6% $58,025
$100,000 $13,170 $7,650 $4,805 $25,625 25.6% $74,375
$125,000 $18,734 $9,563 $6,043 $34,339 27.5% $90,661
$150,000 $24,734 $11,475 $7,280 $43,489 29.0% $106,511
$200,000 $36,734 $14,339 $9,755 $60,828 30.4% $139,172
$300,000 $68,134 $16,689 $14,850 $99,673 33.2% $200,327

Illinois Income Tax Brackets, 2026

Flat Rate
Rate Single (taxable income) Married Filing Jointly
4.95% $0 and up $0 and up

Rates apply to taxable income, after Illinois's deductions and exemptions. Each rate covers only the income inside its range.

Illinois and Its Neighbors

2026 Income Tax
State Income Tax Top Rate Tax on $75,000 (Single) Tax on $150,000 (Joint)
Illinois Flat 4.95% $3,568 $7,135
Wisconsin Graduated 7.65% $2,944 $6,970
Missouri Graduated 4.70% $2,588 $5,356
Kentucky Flat 3.50% $2,507 $5,132
Iowa Flat 3.80% $2,198 $4,396
Indiana Flat 2.95% $2,183 $4,366

Single filer, wages only, no pre-tax deductions, 2026 rules. County taxes are included where every resident pays one (Maryland).

State Income Tax Calculators

50 States + D.C.

How This Calculator Works

Illinois has a flat 4.95% income tax. Before the rates apply, Illinois gives a personal exemption of $2,925 per filer.

A single filer earning $75,000 in wages pays about $3,568 in Illinois tax, 4.8% of pay. That is the 7th highest of 51 (50 states and D.C.), and $972 more than the typical state ($2,596). A married couple earning $150,000 pays about $7,135.

Illinois gives a personal exemption per person, which disappears at high incomes.

Frequently Asked Questions

How much is $100,000 a year after taxes in Illinois?

In Illinois, about $74,375, or $6,198 a month, for a single filer with no pre-tax deductions. That is after $13,170 of federal income tax, $7,650 of Social Security and Medicare and $4,805 of Illinois tax.

What is the top income tax rate in Illinois?

Illinois uses one rate, 4.95%, for every taxable dollar, so your top rate and your starting rate are the same.

Does Illinois tax Social Security and retirement income?

Illinois does not tax Social Security, and it leaves pensions and 401(k) or IRA withdrawals untaxed as well.

Do neighboring states tax income less than Illinois?

On a $75,000 salary, Indiana, Iowa, Kentucky, Missouri and Wisconsin take less than Illinois. The table on this page has the amounts.

More for Illinois

All Tax Calculators →

Other Illinois tax tools

Neighboring states