CO · Payroll tax 2026
The true cost of hiring in Colorado
What a W-2 employee actually costs an employer in Colorado— and how that compares to a 1099 contractor — with the state's real 2026 unemployment-insurance rates built in.
Colorado's economy is anchored in technology (Denver-Boulder corridor), aerospace and defense contractors along the Front Range, and a substantial outdoor-recreation and hospitality sector in mountain communities. Hiring a W-2 employee there costs measurably more than the base salary. A new employer pays SUI at 1.7% on the first $27,200 of each worker's wages — a maximum annual exposure of $462.40 per head before the rate adjusts. On top of that, Colorado's FAMLI paid-leave program adds a 0.45% employer contribution for companies with 10 or more employees, assessed on all covered wages. Federal FICA obligations (6.2% Social Security on the first $176,100, 1.45% Medicare with no cap) apply uniformly. Colorado does levy a state individual income tax on wages, so employers must withhold at the flat 4.4% rate. Taken together, a $70,000 salary in Denver carries roughly $7,000–$8,500 in mandatory employer-side labor costs before benefits, workers' compensation, or equipment. Running these numbers before signing an offer letter is the point of this calculator.
Estimate a Colorado hire
Pre-filled with Colorado's 1.7% new-employer SUI rate. Adjust salary, benefits, and the 1099 rate to fit your hire.
Colorado employer tax facts
| Item | CO |
|---|---|
| New-employer SUI rate | 1.7% |
| SUI taxable wage base | $27,200 |
| Federal FICA (employer) | 7.65% |
| FUTA | 0.6% |
| State income tax on wages | Yes |
| Worker classification test | Common-law control test |
Extra employer taxes: FAMLI paid leave: employer pays 0.45% (10+ employees).
- FAMLI paid family leave — Employer share 0.45% (employers with 10+ employees), capped at the Social Security wage base.
Example: a $75,000 hire in Colorado
At a $75,000 base salary with typical benefits, a W-2 employee in Colorado costs an employer $99,879 per year — $24,879 above base pay. An equivalent 1099 contract at $75,000 would cost $24,879 less; the breakeven contract rate is $99,879.
Misclassification risk in Colorado
Test: Common-law control test
Common-law test; back wages, taxes, and potential civil suit.
Penalties by stateCompare nearby rates
Colorado's 1.7% new-employer SUI rate sits near New Hampshire (1.7%), Louisiana (1.75%), Oklahoma (1.5%), Arizona (2%). See the full 51-state comparison or the 2026 employer payroll tax reference.
Colorado hiring-cost FAQ
- What SUI rate does a new Colorado employer pay, and on how much of each worker's wages?
- A new employer in Colorado pays state unemployment insurance at 1.7% on the first $27,200 of each employee's annual wages, for a maximum SUI cost of $462.40 per worker per year before the rate is experience-rated.
- Does Colorado impose a state income tax on wages, and what does that mean for withholding?
- Yes. Colorado taxes wage income at a flat 4.4% rate, so employers must withhold and remit state income tax on every paycheck — there is no zero-withholding option available to most W-2 workers.
- What happens if a Colorado employer misclassifies a W-2 worker as an independent contractor?
- Colorado applies the common-law control test to determine worker status. A finding of misclassification exposes the employer to back wages, unpaid payroll taxes (including SUI and FAMLI contributions), interest, and a potential civil lawsuit by the affected worker.