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Colorado income tax and brackets 2026

Colorado taxes income at one flat rate of 4.4% in 2026. A single filer earning $75,000 in Colorado owes about $10,262 in federal and state income tax, an effective rate of 13.7%.

Updated ·By the BooksGPT team·2026 rates
Your year
$a year
$a year
Deduction
$16,100 for single filers
Runs in your browser·2026 rates·What it leaves out
Income tax · 2026
See the brackets
$10,262for the year
Effective rate 13.7% of income
Federal income tax$7,67074.7%
Colorado income tax$2,59225.3%
Taxable income
$58,900
Top federal rate
22%
Top Colorado rate
4.4%

Colorado tax brackets 2026

Colorado brackets · 2026
4.4%flat rate
One flat rate
Rate
4.4%
Taxable income
$58,900
Tax
$2,592
Colorado brackets, single
Colorado income tax brackets for 2026, single
RateTaxable incomeTax owed
4.4%YouAll taxable income4.4% of taxable income

Colorado at a glance

Income tax
4.4% flat
Standard deduction
$16,100
Colorado FAMLI premium
0.44%
Occupational privilege tax
$2 to $5.75 a month
Sales tax
2.9%
2026 return due
Apr 15, 2027

How we work it out

  1. 1
    Income
    Your income for the year, less pre-tax retirement savings.
  2. 2
    Deduction
    The larger of the standard deduction and your itemized total.
  3. 3
    Federal brackets
    Each rate from 10% to 37% taxes only the income inside it.
  4. 4
    Colorado
    Colorado's own deduction and rates on the same income.
  5. 5
    Effective rate
    Your total tax divided by your income.

Colorado income tax questions

What are the Colorado tax brackets for 2026?
Colorado has one flat rate of 4.4% on taxable income, so every taxable dollar pays the same rate.
How much income tax do I pay on $75,000 in Colorado?
A single filer earning $75,000 owes about $7,670 in federal income tax and $2,592 in Colorado income tax for 2026, $10,262 in all. That is 13.7% of income.
Why is my average rate lower than my tax bracket?
Each rate taxes only the income inside its bracket. A single filer with $58,900 of federal taxable income is in the 22% bracket, but only the $8,500 above $50,400 pays 22%. The lower rates tax the rest, so the brackets come to $7,670, 13.0% on average.
What are the 2026 federal tax brackets?
Seven rates: 10%, 12%, 22%, 24%, 32%, 35% and 37%. The 37% rate starts above $640,600 for single filers and above $768,700 for married couples filing jointly.
Will Colorado's brackets change?
Flat 4.4% set by Proposition 121 (2022); a temporary TABOR cut (to about 4.36%) applies only in years the state collects a large enough surplus, and there is none for 2026.
What is the 2026 standard deduction?
$16,100 for single filers, $32,200 for married couples filing jointly and $24,150 for heads of household. Colorado uses the same amounts.
Sources
Checked Oct 29, 2026. Estimates for planning, not tax advice.

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