CO · Payroll tax 2026
The true cost of hiring in Colorado
Estimate what a W-2 employee costs in Colorado and compare it with a 1099 contract using sourced 2026 payroll-tax defaults that you can adjust to your assigned rate.
Estimate a Colorado hire
Pre-filled with a 3.05% industry planning default. Adjust SUI, salary, benefits, and the 1099 rate to fit your hire.
Results update instantly. Your values stay in this browser.
A W-2 hire in Colorado costs more than salary. Employers pay federal FICA and FUTA plus state unemployment insurance. For 2026, HiringMath uses a 3.05% planning default; the assigned rate varies by industry on the first $30,600 of wages, producing up to about $933 of state UI tax per worker before experience-rating or account-specific adjustments. Colorado taxes wage income, which creates a withholding obligation but is not an employer-paid tax. 2026 non-construction introductory UI rate is 3.05% including support and solvency charges; industry rates vary. FAMLI employer share is 0.45% for employers with 10+ employees. The calculator below combines those statutory items with editable benefits, workers' compensation, and overhead, then compares the result with a 1099 contract.
Colorado employer tax facts
| Item | CO |
|---|---|
| SUI planning default | 3.05% |
| SUI taxable wage base | $30,600 |
| Federal FICA (employer) | 7.65% |
| FUTA | 0.6% |
| State income tax on wages | Yes |
| Worker classification test | Common-law control test |
Extra employer taxes: 2026 non-construction introductory UI rate is 3.05% including support and solvency charges; industry rates vary. FAMLI employer share is 0.45% for employers with 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 $100,350 per year — $25,350 above base pay. An equivalent 1099 contract at $75,000 would cost $25,350 less; the breakeven contract rate is $100,350.
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 3.05% new-employer SUI rate sits near Nevada (2.95%), Illinois (2.8%), New Jersey (2.8%), Alabama (2.7%). See the full 51-state comparison or the 2026 employer payroll tax reference.
Common questions
Colorado hiring-cost FAQ
What SUI rate does HiringMath use for Colorado?
The calculator starts with a 3.05% planning default; the assigned rate varies by industry, applied to the first $30,600 of each employee's 2026 wages. Your assigned rate can differ because of industry, surcharges, and claims history, so replace the default with the rate on your state notice when available.
Does Colorado have a state income tax?
Yes. Colorado taxes wage income. Employers withhold it from employee pay, but it does not directly increase the employer's payroll-tax cost.
What should employers know about worker classification in Colorado?
Common-law test; back wages, taxes, and potential civil suit. This is a planning summary, not legal advice; confirm classification decisions with the relevant agency or counsel.