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Tax year 2026

Colorado vs Nebraska Income Tax — 2026

A single filer earning $100,000 pays $21 less per year in Nebraska than in Colorado — $2 a month. Colorado charges $3,692; Nebraska charges $3,670.

Why this pair has a page: bordering states.

Colorado at $100K
$3,692
3.69%
Nebraska at $100K
$3,670
3.67%
Annual difference
$21
$2 a month
National ranks
25 vs 23
of 50, lowest tax first

The bill at every income

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

Colorado and Nebraska income tax compared at seven income levels, 2026
Gross incomeColorado taxNebraska taxDifference
$50,000$1,492$1,395$96 less in NE
$75,000$2,592$2,533$59 less in NE
$100,000$3,692$3,670$21 less in NE
$150,000$5,892$5,945$54 less in CO
$250,000$10,292$10,495$204 less in CO
$500,000$21,292$21,870$579 less in CO
$1,000,000$43,292$44,620$1,329 less in CO
Annual state income tax, Colorado versus Nebraska
CO at $50,000: $1,492CO at $50,000$1,492NE at $50,000: $1,395NE at $50,000$1,395CO at $75,000: $2,592CO at $75,000$2,592NE at $75,000: $2,533NE at $75,000$2,533CO at $100,000: $3,692CO at $100,000$3,692NE at $100,000: $3,670NE at $100,000$3,670CO at $150,000: $5,892CO at $150,000$5,892NE at $150,000: $5,945NE at $150,000$5,945CO at $250,000: $10,292CO at $250,000$10,292NE at $250,000: $10,495NE at $250,000$10,495CO at $500,000: $21,292CO at $500,000$21,292NE at $500,000: $21,870NE at $500,000$21,870CO at $1,000,000: $43,292CO at $1,000,000$43,292NE at $1,000,000: $44,620NE at $1,000,000$44,620

How the two systems differ

Colorado and Nebraska income tax systems compared
ColoradoNebraska
Tax structureFlat rateGraduated
Top marginal rate4.4%4.55%
Number of brackets14
Standard deduction (single)$16,100$8,850
Personal exemptionNone$176 credit
Local income taxesNoNo
Capital gainsordinaryordinary
Population (2024)5,957,4932,005,465

By filing status

Colorado and Nebraska tax on $100,000 by filing status, 2026
Filing statusColoradoNebraskaDifference
Single$3,692$3,670$21 less in NE
Married filing jointly$2,983$2,791$192 less in NE
Married filing separately$3,692$3,670$21 less in NE
Head of household$3,337$3,292$46 less in NE

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, Nebraska costs $21 less per year than Colorado — $2 a month.

Colorado compared with Nebraska at $100,000
ColoradoNebraskaDifference
State income tax$3,692$3,670$21
Per month$308$306$2
Effective rate3.69%3.67%0.02 pts
Marginal rate4.4%4.55%0.15 pts
Standard deduction$16,100$8,850$7,250
Taxable income$83,900$91,150$7,250
Tax structureFlat rateGraduated
Local income taxesNoNo

Full detail: Colorado · Nebraska · methodology

What this comparison leaves out

Sources for both states

  1. 1.Colorado Department of RevenueState revenue department
    2026 Colorado Withholding Worksheet for Employers (DR 1098, rev. 10/21/25)
    https://tax.colorado.gov/sites/tax/files/documents/DR_1098_Colorado_Withholding_Worksheet_for_Employees.pdf
    Retrieved · Worksheet 1 line 2c: "Multiply line 2b by 4.40% (0.044)" for tax year 2026.
  2. 2.Nebraska Department of RevenueState revenue department
    2026 Nebraska Individual Estimated Income Tax Payment Vouchers, Form 1040N-ES (8-014-2025 Rev. 11-2025), including the 2026 Nebraska Estimated Income Tax Rate Schedule
    https://revenue.nebraska.gov/sites/default/files/doc/tax-forms/2025/f_1040N-ES.pdf
    Retrieved
  3. 3.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2026
    https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/
    Retrieved

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