Colorado Payroll Calculator

Colorado Paycheck Calculator

Enter your gross salary, filing status, and pay frequency below. This calculator handles Colorado's flat 4.4% state income tax, federal income tax across all seven brackets, FAMLI premiums at 0.45%, Social Security at 6.2%, and Medicare at 1.45% to give you an accurate take-home pay estimate for 2024.

How to Use This Tool

This Colorado payroll calculator gives you a clear picture of your actual take-home pay after all mandatory deductions. Here is how to get the most accurate results:

1. Enter your annual gross salary in the first field. This is your total compensation before any taxes or deductions. If you know only your hourly rate, multiply it by the number of hours you work per year (typically 2,080 for full-time).
2. Choose your pay frequency from the dropdown. Most Colorado employers pay biweekly (26 pay periods per year), but weekly, semi-monthly, and monthly schedules are also common. Your per-period take-home amount depends on this selection.
3. Select your filing status as it appears on your W-4 form. This affects your federal tax brackets and standard deduction amount. Single, Married Filing Jointly, and Head of Household each produce different results.
4. Add any extra withholding if you have requested additional federal tax withheld per pay period on your W-4 form. Leave this at zero if you have not requested extra withholding.
5. Include pre-tax deductions like 401(k) contributions, HSA deposits, or other qualified pre-tax benefits. These reduce your taxable income for both federal and Colorado state tax purposes.
6. Press the Calculate button to see your complete paycheck breakdown, including per-period and annual figures, effective tax rate, and a visual chart of where your money goes.

The calculator applies the 2024 federal income tax brackets, the Colorado flat rate of 4.4%, standard FICA rates, and the FAMLI employee premium of 0.45%. All calculations happen in your browser and nothing is stored or transmitted.

Colorado State Tax Rate

Colorado stands out among U.S. states by using a flat income tax rate rather than a progressive bracket system. For the 2024 tax year, every Colorado resident pays 4.4% on their state taxable income, regardless of whether they earn $30,000 or $300,000.

This flat rate structure has changed over the years. The rate was 4.63% for many years before voters approved Proposition 116 in November 2020, which reduced it to 4.55%. Then Proposition 121, passed in November 2022, further reduced the rate to 4.4% starting in the 2022 tax year. This makes Colorado one of the more straightforward states for payroll calculations.

Colorado calculates state taxable income starting from your federal taxable income and then making specific Colorado additions and subtractions. This means the federal standard deduction (or itemized deductions) already reduces your Colorado tax base. Some Colorado-specific subtractions include state income tax refunds, certain pension income for those 55 and older, military retirement pay, and contributions to Colorado 529 education savings plans.

Unlike states such as California, New York, or Oregon that have progressive brackets climbing above 9%, Colorado's flat rate is relatively moderate. It also means you will never face a situation where a raise pushes your entire state tax obligation into a higher bracket, something that concerns workers in progressive-tax states even though marginal rates only apply to income above each threshold.

The Colorado Department of Revenue administers state income tax collection and provides forms, filing deadlines, and guidance on state-specific adjustments. Colorado individual income tax returns are due April 15, the same as federal returns.

2024 Federal Tax Brackets

All Colorado residents are subject to federal income tax to the flat state rate. The 2024 federal brackets are marginal, meaning each bracket rate applies only to income within that range. Here are the brackets for each filing status:

Single Filers

Married Filing Jointly

Head of Household

For 2024, the standard deduction is $14,600 for single filers, $29,200 for married filing jointly, and $21,900 for head of household. These amounts reduce your gross income before the bracket rates apply. You can find the full details in IRS Revenue Procedure 2023-34.

Colorado FAMLI Program

The Colorado Family and Medical Leave Insurance (FAMLI) program is one of the state-specific payroll deductions that sets Colorado apart from most other states. Approved by voters through Proposition 118 in 2020, FAMLI began collecting premiums on January 1, 2023, and started paying benefits on January 1, 2024.

Here are the key details about FAMLI that affect your paycheck:

• Total premium rate: 0.9% of wages, split evenly between employer and employee
• Employee share: 0.45% of your gross wages, deducted each pay period
• Employer share: 0.45% of your gross wages, paid by your employer
• Wage cap: Premiums apply to wages up to the Social Security wage base ($168,600 in 2024)
• Small employers: Employers with fewer than 10 employees are not required to pay the employer share, but the employee share still applies

In return for these premium payments, Colorado workers can access up to 12 weeks of paid family and medical leave per year (16 weeks for pregnancy or childbirth complications). The weekly benefit amount is calculated based on your average weekly wage and the state average weekly wage, with a maximum benefit of $1,100 per week in 2024.

Qualifying reasons for taking FAMLI leave include:

• Birth of a child and bonding with a newborn
• Placement of a child for adoption or foster care
• Caring for a family member with a serious health condition
• Your own serious health condition that prevents you from working
• Qualifying military exigency
• Safe leave related to domestic violence, stalking, or sexual assault

FAMLI is administered by the Colorado Department of Labor and Employment. The program applies to nearly all Colorado employers and employees, with limited exceptions for some federal employees and self-employed individuals who can opt in voluntarily.

When you see the FAMLI line item on your paycheck stub, that is the 0.45% employee premium. This calculator includes it in your per-period deductions so you get an accurate picture of your actual take-home pay.

FICA Tax Breakdown

FICA (Federal Insurance Contributions Act) taxes fund Social Security and Medicare. Every W-2 employee in Colorado pays these regardless of state tax rules:

Your employer matches the 6.2% Social Security and 1.45% Medicare contributions. The employer does not match the Additional Medicare Tax. For someone earning $65,000 per year in Colorado, FICA costs break down to $4,030 for Social Security and $942.50 for Medicare, totaling $4,972.50 annually.

The Social Security wage base for 2024 is $168,600. Earnings above that amount are not subject to the 6.2% Social Security tax, but Medicare applies to all earnings with no cap. If you earn over $200,000 as a single filer ($250,000 if married filing jointly), you will also owe the 0.9% Additional Medicare Tax on wages exceeding that threshold.

Together with the 4.4% Colorado state tax and FAMLI at 0.45%, your total payroll deduction rate before federal income tax sits at approximately 12.5% for most Colorado workers. Federal income tax adds another layer depending on your bracket, typically bringing total deductions to between 20% and 35% for most earners.

Paycheck Examples by Salary

Here are sample take-home pay calculations for common salary levels in Colorado, assuming single filing status, biweekly pay, standard deduction, no additional withholding, and no pre-tax deductions. These give you a quick reference for what to expect at different income levels.

These figures are estimates based on the 2024 federal tax brackets and standard deduction of $14,600 for single filers. Your actual take-home pay may differ based on W-4 selections, pre-tax deductions, post-tax deductions, local taxes (Denver has an occupational privilege tax of $5.75 per month), and other payroll factors.

The effective total tax rate ranges from about 17% at $35,000 to about 32% at $200,000. Colorado's flat state tax means higher earners do not face an escalating state tax burden beyond what federal brackets already impose.

Common Deductions Guide

Understanding the deductions that appear on your Colorado paycheck helps you plan your finances more accurately. Here is a breakdown of mandatory and optional deductions:

Mandatory Deductions

• Federal Income Tax: Withheld based on your W-4 form, filing status, and the IRS withholding tables. This is typically the largest single deduction for most workers.
• Colorado State Income Tax: Flat 4.4% of your state taxable income. Colorado uses a simplified withholding method based on the federal taxable wage amount.
• Social Security Tax: 6.2% of gross wages up to $168,600 for 2024. This funds your future Social Security retirement, disability, and survivor benefits.
• Medicare Tax: 1.45% of all gross wages with no cap. An additional 0.9% applies to earnings over $200,000 for single filers.
• FAMLI Premium: 0.45% of gross wages (employee share) for the Colorado Family and Medical Leave Insurance program.

Common Pre-Tax Deductions

• 401(k) / 403(b) contributions: Reduce your federal and state taxable income. Colorado follows federal rules for qualified retirement plan contributions.
• Health insurance premiums: Employer-sponsored health plan contributions are typically pre-tax, reducing your taxable income for federal, state, and FICA purposes.
• HSA contributions: Health Savings Account contributions through payroll are pre-tax. The 2024 limit is $4,150 for individual coverage and $8,300 for family coverage.
• FSA contributions: Flexible Spending Accounts for medical or dependent care expenses reduce taxable income. The 2024 medical FSA limit is $3,200.
• Commuter benefits: Pre-tax transit and parking benefits up to $315 per month each for 2024.

Post-Tax Deductions

• Roth 401(k) contributions: Contributed after tax but grow and are withdrawn tax-free in retirement.
• Wage garnishments: Court-ordered deductions for child support, alimony, student loans, or other debts.
• Union dues: If applicable, these are typically post-tax deductions.
• Voluntary benefits: Supplemental life insurance, disability insurance, legal plans, and similar benefits often come out after tax.

Pre-tax deductions are particularly valuable for Colorado workers because they reduce both your federal and state taxable income. A $500 monthly 401(k) contribution, for example, saves you approximately $22 per month in Colorado state tax alone (4.4% of $500), plus whatever your federal marginal rate savings would be.

Colorado Department of Revenue

The Colorado Department of Revenue is the state agency responsible for collecting income taxes and administering tax policy. Here is what you know as a Colorado employee or employer:

• Form DR 0004: Colorado's version of the W-4. Employees use this to request additional state withholding adjustments. Most employers default to using federal W-4 information for state withholding.
• Filing deadline: Colorado individual income tax returns (Form DR 0104) are due April 15, aligned with the federal deadline.
• Electronic filing: Colorado encourages e-filing through Revenue Online at tax.colorado.gov. Most major tax software packages support Colorado returns.
• Withholding tables: Employers use the Colorado Withholding Worksheet (DR 1098) to determine the correct amount of state tax to withhold from each paycheck.
• Estimated payments: If you have income not subject to withholding (self-employment, investments, rental income), you may make quarterly estimated tax payments.

Colorado has no local income taxes imposed by cities or counties. However, some municipalities like Denver and Aurora impose an occupational privilege tax (OPT), which is a small flat-rate monthly tax on employees who work within city limits. Denver's OPT is $5.75 per month for employees. This is separate from income tax and is not included in this calculator.

Colorado also participates in the IRS information sharing programs, meaning your federal return data may be cross-referenced with your Colorado return. Ensuring consistency between your federal and state filings is important for avoiding audits or adjustment notices.

Colorado vs Other States

How does Colorado's tax burden compare to other states? The flat 4.4% rate positions Colorado in the middle tier of state income taxes. Here is a comparison with neighboring and notable states:

Colorado's flat rate means a worker earning $60,000 pays the same 4.4% rate as someone earning $600,000. In progressive states like California or Oregon, the rate rises with income. This can make Colorado attractive for higher earners compared to those states, while lower earners may pay a slightly higher rate than they would in some progressive states where the lowest bracket is below 4.4%.

One important note: Colorado does have a sales tax (state rate of 2.9% plus local additions that can push the total to 10% or more in some areas). States without income tax, like Wyoming and Texas, often compensate through higher sales taxes, property taxes, or other fees. The total tax burden picture is always more complex than income tax alone.

Colorado Cost of Living

Your take-home pay only tells part of the story. The cost of living in Colorado varies significantly depending on where you live. The Denver metro area and mountain resort towns are notably more expensive than the eastern plains and smaller cities.

The "feels like" column adjusts your $65,000 salary based on the cost of living index, where 100 represents the national average. In Boulder, your $65,000 salary has the purchasing power of about $49,600 in an average-cost U.S. city due to high housing costs. In Pueblo, the same salary stretches to the equivalent of nearly $74,700.

Housing is the biggest variable. According to the Bureau of Labor Statistics, Colorado's overall cost of living sits about 5-10% above the national average, driven primarily by housing costs in the Front Range corridor. Transportation, food, and healthcare costs are closer to national averages. Utilities tend to run slightly below average due to Colorado's dry climate reducing air conditioning costs, though heating costs can be significant in winter, particularly at higher elevations.

Tax Saving Tips for CO Workers

Colorado workers have several options to reduce their tax burden and increase their take-home pay. Here are practical strategies that work within Colorado's tax framework:

1. your 401(k) or 403(b) contributions. The 2024 limit is $23,000 ($30,500 if you are 50 or older). Every dollar you contribute reduces both your federal and Colorado state taxable income. At the 4.4% CO rate, a $23,000 contribution saves you $1,012 in state tax alone.
2. Fund your HSA if you have a high-deductible health plan. HSA contributions are pre-tax and reduce federal, state, and FICA taxable income when made through payroll. The 2024 limits are $4,150 for individual and $8,300 for family coverage. HSA funds roll over year to year and can be invested.
3. Contribute to a Colorado 529 plan. Colorado offers a state tax deduction for contributions to CollegeInvest 529 plans. You can deduct the full amount of contributions from your Colorado taxable income, with no annual limit. This is one of the most generous 529 deductions in the country.
4. Claim the Colorado Child Tax Credit. Colorado offers its own child tax credit for qualifying families with children under 6. The amount varies based on income and family size.
5. Use the Colorado Earned Income Tax Credit. If you qualify for the federal EITC, Colorado offers a state EITC equal to a percentage of your federal credit. For 2024, the Colorado EITC is 25% of the federal credit.
6. Check if you qualify for the Colorado Sales Tax Refund. Low-income residents may qualify for a refund of state sales tax. This is not directly a payroll tax benefit, but it increases your overall after-tax income.
7. Consider the timing of income and deductions. Since Colorado uses a flat rate, timing strategies are more relevant for federal taxes. If you expect to be in a lower federal bracket next year (due to retirement, job change, or other reasons), deferring income or accelerating deductions could save federal tax while having no impact on your Colorado rate.
8. Review your W-4 annually. Life changes like marriage, buying a home, having children, or starting a side business all affect your optimal withholding. Adjusting your W-4 ensures you are not over-withholding (giving the government an interest-free loan) or under-withholding (facing a penalty at tax time).

Self-Employment Tax in Colorado

If you work as a freelancer, independent contractor, or business owner in Colorado, your tax situation differs from W-2 employees. Use the calculator below to estimate your self-employment tax obligations.

Key differences for self-employed workers in Colorado:

• Self-employment tax: You pay both the employee and employer shares of Social Security (12.4%) and Medicare (2.9%), totaling 15.3%. This applies to 92.35% of your net self-employment income.
• Deductible half: You can deduct half of your self-employment tax as an above-the-line deduction on your federal return, which also reduces your Colorado taxable income.
• Quarterly estimated payments: You must make quarterly estimated tax payments (federal Form 1040-ES and Colorado Form DR 0104EP) if you expect to owe $1,000 or more in tax. Due dates are April 15, June 15, September 15, and January 15.
• FAMLI opt-in: Self-employed individuals are not required to participate in FAMLI but can opt in. If you opt in, you pay the full 0.9% premium (both employee and employer shares) and gain access to paid family and medical leave benefits.
• Qualified Business Income (QBI) deduction: If your self-employment income qualifies, you may be able to deduct up to 20% of qualified business income under Section 199A. This reduces your federal and Colorado taxable income.
• Business expenses: Deductible business expenses (home office, equipment, mileage, professional development) reduce your net self-employment income before any tax calculations.

Colorado Salaries by Industry

Colorado's economy is driven by technology, aerospace, energy, healthcare, and tourism. Here are average salaries by industry based on Bureau of Labor Statistics and state labor data, along with estimated take-home pay for single filers with standard deductions:

The Denver-Boulder-Greeley corridor leads in technology and professional services salaries, while the Western Slope and eastern plains tend to have lower wages offset by significantly lower living costs. Colorado's unemployment rate has consistently tracked below the national average in recent years, reflecting a strong and diversified economy. The state is home to major employers including Lockheed Martin, Ball Corporation, Arrow Electronics, Western Union, and a growing number of tech startups and remote-work companies attracted by the quality of life.

Browser Compatibility

This Colorado payroll calculator works in all modern web browsers. It has been tested and verified in the following environments:

• Google Chrome 90 and later (Windows, macOS, Linux, Android, ChromeOS)
• Mozilla Firefox 88 and later (Windows, macOS, Linux)
• Apple Safari 14 and later (macOS, iOS, iPadOS)
• Microsoft Edge 90 and later (Windows, macOS)
• Samsung Internet 14 and later (Android)
• Opera 76 and later (Windows, macOS)

The calculator uses standard HTML5, CSS3, and vanilla JavaScript with no external libraries, frameworks, or dependencies. All calculations run locally in your browser using your device's processor. No data is transmitted, stored on servers, or tracked. The tool works offline once the page has loaded, making it suitable for use in areas with limited connectivity. It is fully responsive and works on screens from 320px wide smartphones to ultrawide desktop monitors.

Related Tools

These additional free tools can help with your financial planning alongside the Colorado payroll calculator:

Frequently Asked Questions