Colorado gig worker tax calculator 2026
Colorado taxes income at a flat 4.40%. As a rideshare, delivery or on-demand worker you also owe federal self-employment tax (15.3% of 92.35% of net profit) and federal income tax. Use the live calculator for your own numbers; the example below shows how the estimate works out for typical income.
Worked example: $48,000 of delivery income in Colorado
Assumes 14,000 business miles (7,000 each half of 2026), $350 parking and tolls, $1,800 app fees and a $600 phone bill used 60% for work. No W-2 job, no other income.
| Item | Single | Married, 2 kids |
|---|---|---|
| Gross income | $48,000 | $48,000 |
| Mileage and parking deduction | $10,745 | $10,745 |
| Other write-offs | $2,160 | $2,160 |
| Net profit | $35,095 | $35,095 |
| Self-employment tax | $4,959 | $4,959 |
| Federal income tax | $1,337 | $0 |
| Colorado income tax | $1,435 | $1,435 |
| Total tax | $7,731 | $6,394 |
| Federal payment per quarter | $1,574 | $1,240 |
| All-in effective rate | 16.1% | 13.3% |
Computed by the same engine as the calculator using rate table version 2026-10-26.1.
Colorado income tax rates
Colorado taxes income at a flat 4.40% after its deductions.
Estimated payments in Colorado
This calculator assumes Colorado payments follow the four federal dates. Check Colorado's revenue department for its own estimated-tax rules before you pay.
What this estimate leaves out
- City, county and school-district income taxes.
- State credits and deductions beyond the standard deduction.
- Colorado's standard deduction is not loaded yet, so Colorado tax may be slightly overstated.
Colorado gig tax questions
Does Colorado tax gig and self-employment income?
Yes. Colorado taxes income at a flat 4.40%. You also owe federal income tax and self-employment tax.
What is the Colorado income tax rate for 2026?
Colorado taxes income at a flat 4.40%. City or county taxes are not included.
When are estimated tax payments due in Colorado?
This calculator assumes Colorado payments follow the four federal dates. Check Colorado's revenue department for its own estimated-tax rules before you pay.
What can rideshare and delivery drivers deduct in Colorado?
The same business expenses as everywhere: mileage (72.5 cents per mile through June 2026, 76 cents from July 1), parking and tolls, app fees, the business share of your phone, equipment and cleaning. Most states start from your federal adjusted gross income, so these deductions usually carry over.
Other state calculators
Rates from Tax Foundation — State individual income tax rates and brackets, 2026 (as of January 1, 2026). See the methodology for every source.