Colorado Tax Tables for 2020
The 2020 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 2020.
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Colorado Tax Tables for 2020
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for Colorado in 2020. 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 (2020)
A single flat tax rate applies to all taxable income for Single filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.55% |
Married filing jointly – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing jointly filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.55% |
Married filing separately – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing separately filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.55% |
Head of household – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Head of household filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.55% |
Widowed – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Widowed filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 4.55% |
Colorado Standard Deduction(2020)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $12,400 |
| Married filing jointly | $24,800 |
| Married filing separately | $12,400 |
| Head of household | $18,350 |
| Widowed | $24,800 |
Colorado Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and Colorado updates:
Frequently Asked Questions
Is the federal SALT cap relevant to CO?
It affects federal itemizing; CO starts from federal taxable income, so results can flow through.
Does Colorado have an EITC?
Yes—Colorado has a state EITC based on a percentage of the federal EITC for eligible filers.
Where do Schedule A/B/C items feed in?
Compute on the federal forms (e.g., A, B, C) and reflect totals here.
Does CO have a retirement subtraction?
Yes—CO provides subtractions for certain retirement income; amounts depend on age/type.
Can I project next year using this page?
Yes—change the tax year and rerun with your assumptions.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.