Colorado state income tax on your paycheck
Colorado applies a flat 4.40% income tax. Here is how it appears on your pay stub.
How Colorado state tax works in 2025
Colorado uses a flat 4.40% rate on most wage income, applied after any state-level standard deduction or allowances.
Colorado runs a paid leave program (FAMLI) funded by a payroll deduction.
Several cities (Denver, Aurora, Greenwood Village, Sheridan, Glendale) charge an occupational privilege tax (OPT).
Colorado official sources
Official sources
- IRS Publication 15-T, Federal Income Tax Withholding Methods — IRS · 2025 · last verified 2025-04-01
- IRS Topic 751 — Social Security and Medicare Withholding Rates — IRS · 2025 · last verified 2025-04-01
- SSA — Contribution and Benefit Base — SSA · 2025 · last verified 2025-04-01
- U.S. DOL — Overtime Pay (FLSA) — DOL · last verified 2025-04-01
More Colorado guides
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