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Tax year 2026

Illinois vs New York Income Tax — 2026

A single filer earning $100,000 pays $55 less per year in Illinois than in New York — $5 a month. Illinois charges $4,805; New York charges $4,860.

Why this pair has a page: two of the largest taxing states.

Illinois at $100K
$4,805
4.81%
New York at $100K
$4,860
4.86%
Annual difference
$55
$5 a month
National ranks
42 vs 43
of 50, lowest tax first

The bill at every income

Single filer, standard deduction, no dependents. State income tax only.

Illinois and New York income tax compared at seven income levels, 2026
Gross incomeIllinois taxNew York taxDifference
$50,000$2,330$2,103$227 less in NY
$75,000$3,568$3,453$115 less in NY
$100,000$4,805$4,860$55 less in IL
$150,000$7,280$7,810$530 less in IL
$250,000$12,230$13,962$1,732 less in IL
$500,000$24,605$31,087$6,482 less in IL
$1,000,000$49,355$65,337$15,982 less in IL
Annual state income tax, Illinois versus New York
IL at $50,000: $2,330IL at $50,000$2,330NY at $50,000: $2,103NY at $50,000$2,103IL at $75,000: $3,568IL at $75,000$3,568NY at $75,000: $3,453NY at $75,000$3,453IL at $100,000: $4,805IL at $100,000$4,805NY at $100,000: $4,860NY at $100,000$4,860IL at $150,000: $7,280IL at $150,000$7,280NY at $150,000: $7,810NY at $150,000$7,810IL at $250,000: $12,230IL at $250,000$12,230NY at $250,000: $13,962NY at $250,000$13,962IL at $500,000: $24,605IL at $500,000$24,605NY at $500,000: $31,087NY at $500,000$31,087IL at $1,000,000: $49,355IL at $1,000,000$49,355NY at $1,000,000: $65,337NY at $1,000,000$65,337

How the two systems differ

Illinois and New York income tax systems compared
IllinoisNew York
Tax structureFlat rateGraduated
Top marginal rate4.95%10.9%
Number of brackets19
Standard deduction (single)None$8,000
Personal exemption$2,925None
Local income taxesNoYes
Capital gainsordinaryordinary
Population (2024)12,710,15819,867,248

By filing status

Illinois and New York tax on $100,000 by filing status, 2026
Filing statusIllinoisNew YorkDifference
Single$4,805$4,860$55 less in IL
Married filing jointly$4,660$4,201$460 less in NY
Married filing separately$4,805$4,860$55 less in IL
Head of household$4,805$4,547$259 less in NY

Change the assumptions

Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.

At $100,000 as a single filer, Illinois costs $55 less per year than New York — $5 a month.

Illinois compared with New York at $100,000
IllinoisNew YorkDifference
State income tax$4,805$4,860$55
Per month$400$405$5
Effective rate4.81%4.86%0.05 pts
Marginal rate4.95%5.9%0.95 pts
Standard deduction$0$8,000$8,000
Taxable income$97,075$92,000$5,075
Tax structureFlat rateGraduated
Local income taxesNoYes

Local taxes are not included above. New York has localities that levy their own income tax on top of the state figure. See each state page for the rates that apply.

Full detail: Illinois · New York · methodology

Local income taxes change this picture

What this comparison leaves out

Sources for both states

  1. 1.Illinois Department of RevenueState revenue department
    FY 2026-15, What's New for Illinois Income Taxes
    https://tax.illinois.gov/research/publications/bulletins/fy-2026-15.html
    Retrieved · "The personal exemption amount for tax year 2026 will increase to $2,925." Also states the $500,000 / $250,000 AGI cut-off.
  2. 2.New York State Department of Taxation and FinanceState revenue department
    Instructions for Form IT-2105, Estimated Tax Payment Voucher for Individuals (IT-2105-I, 2026) — 2026 New York State and New York City tax rate schedules and standard deduction table
    https://www.tax.ny.gov/pdf/current_forms/it/it2105i.pdf
    Retrieved
  3. 3.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2025
    https://taxfoundation.org/data/all/state/state-income-tax-rates/
    Retrieved

Figures on this page were last checked against these sources on . Found something wrong? Report it.