Last updated: 2025 BLS data · Page refreshed:
How much does a Physical Therapist Assistants actually take home in Colorado?
4.4% flat rate — 21.5% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Physical Therapist Assistants earning $64,810 in Colorado (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $64,810 | — |
| Federal Income Tax | -$6,099 | 9.4% |
| Colorado State Income Tax | -$2,851 | 4.4% |
| Social Security (OASDI) | -$4,018 | 6.2% |
| Medicare | -$939 | 1.5% |
| Total Taxes | -$13,908 | 21.5% |
| Take-Home Pay | $50,901 | 78.5% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Physical Therapist Assistants in Colorado.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $48,580 | -$9,699 | $38,880 | 20.0% |
| 25th Percentile (P25) | $57,740 | -$11,902 | $45,837 | 20.6% |
| Median (P50) | $64,810 | -$13,908 | $50,901 | 21.5% |
| 75th Percentile (P75) | $77,280 | -$18,154 | $59,125 | 23.5% |
| 90th Percentile (P90) | $89,550 | -$22,332 | $67,217 | 24.9% |
After federal income tax ($6,099), state tax ($2,851), and FICA ($4,957), a Physical Therapist Assistants in Colorado takes home $50,901 per year — or $4,241 per month. The effective tax rate of 21.5% is relatively low compared to the national range.
With an effective total rate of 21.5%, a Physical Therapist Assistants in Colorado keeps $50,901 of $64,810 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Colorado applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Physical Therapist Assistants salary that contributes $2,852 to the 4.4% effective state-tax burden.
Federal tax on this Physical Therapist Assistants salary is $6,099 (44%), but combined state ($2,852, 21%) + FICA ($4,958, 36%) make up the other 56% of the bill.
Moving this same Physical Therapist Assistants salary to a zero-state-tax state would yield around $53,753 net — a gain of $2,852 (5.6%) per year versus Colorado.
Colorado ranks #28 of 51 states for Physical Therapist Assistants after-tax pay — lower half of the national distribution. Either gross wages trail the national median, state tax is elevated, or both.
Translated into paycheck cadences, $50,901 net/year works out to $4,242/month or $1,958/bi-weekly for this Physical Therapist Assistants in Colorado — the numbers that actually hit a checking account after every deduction.
Where does a Physical Therapist Assistants keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Colorado ranks #28 out of 51 states for Physical Therapist Assistants after-tax take-home pay.
A Physical Therapist Assistants in Colorado earning a median salary of $64,810 will take home approximately $50,901 per year after federal income tax ($6,099), state income tax ($2,851), and FICA ($4,957). That is $4,241 per month or $1,957 per bi-weekly paycheck.
The effective total tax rate for a Physical Therapist Assistants in Colorado is 21.5%, broken down as: federal income tax 9.4%, Colorado state tax 4.4%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Colorado has a 4.4% flat rate. On a Physical Therapist Assistants's median salary of $64,810, the state income tax amounts to $2,851 per year, which is an effective state rate of 4.4%.
After all taxes, a Physical Therapist Assistants in Colorado takes home approximately $4,241 per month, or about $24.47 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2025 BLS median salary of $64,810 for Physical Therapist Assistants in Colorado, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Colorado state income tax (4.4% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $50,901/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR