Colorado Tax Tables for 2026
The 2026 Colorado Tax Tables summarise the state-level rules applied to wages, deductions, credits and taxable income. These tables match the rules used by the Colorado State Tax Calculator 2026.
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Colorado Tax Tables for 2026
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for Colorado in 2026. Colorado applies a flat income tax to this filing status. All taxable income is taxed at the same rate, with no marginal brackets. This table shows the single rate used in calculations. To understand how flat tax tables differ from progressive systems, see our Tax Tables guide.
Single – Flat Income Tax (2026)
A single flat tax rate applies to all taxable income for Single filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.4% |
Married filing jointly – Flat Income Tax (2026)
A single flat tax rate applies to all taxable income for Married filing jointly filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.4% |
Married filing separately – Flat Income Tax (2026)
A single flat tax rate applies to all taxable income for Married filing separately filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.4% |
Head of household – Flat Income Tax (2026)
A single flat tax rate applies to all taxable income for Head of household filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.4% |
Widowed – Flat Income Tax (2026)
A single flat tax rate applies to all taxable income for Widowed filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.4% |
Colorado Standard Deduction(2026)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $15,750 |
| Married filing jointly | $31,500 |
| Married filing separately | $15,750 |
| Head of household | $23,625 |
| Widowed | $31,500 |
Colorado Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and Colorado updates:
Frequently Asked Questions
Can I add extra CO withholding to avoid a balance due?
Yes—enter additional state withholding in the full CO calculator and rerun.
Does this include local head taxes?
Head taxes (e.g., Denver) aren’t standard income tax and aren’t itemized here—check your locality/employer.
Are city/RTD/sales taxes part of this tool?
No—this page models wage income tax/withholding; sales/use/RTD are separate.
Is there a quick FICA sanity-check?
Use the FICA Calculator to verify OASDI/Medicare for the year.
How are tips handled for CO tax?
Tips are taxable wages; include them for accurate CO withholding/projections.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.