Colorado Bonus Tax Calculator (2026)
Colorado withholds 4.4% state income tax on bonuses, on top of the federal 22% and 7.65% FICA.
Colorado rules for bonuses
Regular withholding (aggregate method).
- No supplemental provision. DR 1098 annualizes total taxable wages for the period 'including overtime pay'
- Vendor charts list 4.4% for supplemental; CDOR does not state it
Local taxes: Occupational privilege (head) taxes in some cities (e.g., Denver employee $5.75/month if earning >= $500/month; unconfirmed)
Take-home bonus by amount
| Bonus | Federal (22%) | FICA | State | Take-home |
|---|---|---|---|---|
| $1,000 | $220 | $77 | $48 | $655 |
| $2,500 | $550 | $191 | $121 | $1,638 |
| $5,000 | $1,100 | $383 | $242 | $3,276 |
| $10,000 | $2,200 | $765 | $484 | $6,551 |
| $20,000 | $4,400 | $1,530 | $968 | $13,102 |
| $50,000 | $11,000 | $3,825 | $2,420 | $32,755 |
Sources
Frequently asked questions
What is the bonus tax rate in Colorado?
Colorado withholds 4.4% on bonuses, on top of the federal 22% and 7.65% FICA.
How much of a $10,000 bonus do I keep in Colorado?
About $6,551 for a single filer earning $85,000: $2,200 federal, $765 Social Security and Medicare and $484 state.
Will I get some of the bonus tax back?
Possibly. The 22% federal rate is only withholding. At tax time your bonus is taxed at your bracket (22% at this salary), and Colorado's flat supplemental rate can also differ from your actual state rate.