About Deductions

This estimate includes standard federal withholding, FICA taxes (7.65%), and state income tax rates applicable in COLORADO. Local county taxes are factored in where applicable.

Understanding Your Paycheck in COLORADO

When you receive a paycheck from an employer in the City and County of Denver, several mandatory and optional deductions are taken out before the net amount lands in your bank account. The core mandatory deductions are:

• Federal Income Tax: Withheld according to the IRS tax tables and the information you provide on your Form W‑4.
• State Income Tax: Colorado applies a flat personal income‑tax rate (4.55% for 2024) on taxable wages.
• FICA (Federal Insurance Contributions Act): This is split into Social Security (6.2% of wages up to the annual wage base) and Medicare (1.45% of all wages, with an additional 0.9% on earnings above $200,000).

In addition to these, Denver employees may see a small local withholding called the Occupational Privilege Tax (OPT), which some employers collect on behalf of the city. While not a tax on income per se, it reduces take‑home pay and is reported on your W‑2.

Federal Tax Withholding

Your Form W‑4 determines how much federal tax is withheld each pay period. The form allows you to:

• Claim dependents or other qualifying individuals.
• Adjust for other income, deductions, or extra withholding.
• Indicate whether you want additional flat dollar amounts taken out.

The United States uses a progressive tax bracket system, meaning higher portions of your income are taxed at higher rates. By accurately completing the W‑4, you can avoid over‑withholding (which results in a larger refund) or under‑withholding (which could lead to a tax bill and penalties). The IRS’s Tax Withholding Estimator is a useful tool to fine‑tune your elections based on your filing status, number of dependents, and other income sources.

State & Local Taxes

Colorado’s tax structure is straightforward: a single flat rate of 4.55% applies to all taxable income after federal adjustments. The state does not have city‑level income taxes, but Denver imposes a few payroll‑related obligations:

• Occupational Privilege Tax (OPT): A $4.00 per month employer‑withheld levy for most employees working within city limits.
• State Unemployment Insurance (SUI): Funded by employers, this does not affect employee take‑home pay directly but is part of the overall payroll cost.

Because Colorado’s tax is flat, the primary lever for reducing state tax is lowering your taxable wages through pretax contributions (e.g., 401(k), 403(b), or Health Savings Account). These contributions lower both federal and state taxable income.

Maximising Your Take-Home Pay

Below are actionable steps you can take to keep more money in each paycheck while staying compliant with tax law:

• Review and Update Your W‑4: Use the IRS estimator each year or after major life changes (marriage, birth, new job) to ensure withholding aligns with your actual tax liability.
• Boost Pretax Retirement Contributions: Contributing the maximum allowed to a 401(k) or 457(b) reduces taxable wages now and grows tax‑deferred for retirement.
• Open a Health Savings Account (HSA): If you have a high‑deductible health plan, HSA contributions are pretax, lower your AGI, and can be withdrawn tax‑free for qualified medical expenses.
• Utilise Flexible Spending Accounts (FSAs): Similar to HSAs, FSAs let you set aside up to $3,050 (2024 limit) for medical or dependent‑care costs, lowering taxable income.
• Consider a Roth Option: If you expect higher future tax rates, contributing after‑tax dollars to a Roth 401(k) won’t reduce current take‑home pay, but it could lower future tax bills.
• Adjust OPT Withholding: If you regularly receive the OPT credit on your W‑2, you can ask your employer to reduce the monthly amount, but be aware that the city may still assess the tax at year‑end.

By regularly revisiting your payroll elections, leveraging pretax benefits, and staying aware of both federal and Colorado-specific rules, you can optimise your paycheck and make the most of the Denver payroll calculator to plan your finances accurately.