Last updated: 2025 BLS data · Page refreshed:
How much does a Civil Engineers actually take home in Colorado?
4.4% flat rate — 26.0% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Civil Engineers earning $101,420 in Colorado (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $101,420 | — |
| Federal Income Tax | -$14,153 | 14.0% |
| Colorado State Income Tax | -$4,462 | 4.4% |
| Social Security (OASDI) | -$6,288 | 6.2% |
| Medicare | -$1,470 | 1.4% |
| Total Taxes | -$26,374 | 26.0% |
| Take-Home Pay | $75,045 | 74.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Civil Engineers in Colorado.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $76,810 | -$17,994 | $58,815 | 23.4% |
| 25th Percentile (P25) | $82,830 | -$20,044 | $62,785 | 24.2% |
| Median (P50) | $101,420 | -$26,374 | $75,045 | 26.0% |
| 75th Percentile (P75) | $132,200 | -$37,196 | $95,003 | 28.1% |
| 90th Percentile (P90) | $165,230 | -$49,103 | $116,126 | 29.7% |
After federal income tax ($14,153), state tax ($4,462), and FICA ($7,758), a Civil Engineers in Colorado takes home $75,045 per year — or $6,253 per month. The effective tax rate of 26.0% is moderate compared to the national range.
A Civil Engineers in Colorado loses 26.0% of gross pay to taxes — higher than the ~25% national midpoint. Of the $101,420 gross, $75,045 lands in the paycheck after federal ($14,153), state ($4,462), and FICA ($7,759) withholding.
Colorado applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Civil Engineers salary that contributes $4,462 to the 4.4% effective state-tax burden.
Federal tax on this Civil Engineers salary is $14,153 (54%), but combined state ($4,462, 17%) + FICA ($7,759, 29%) make up the other 46% of the bill.
Moving this same Civil Engineers salary to a zero-state-tax state would yield around $79,508 net — a gain of $4,462 (5.9%) per year versus Colorado.
Colorado ranks #19 of 51 states for Civil Engineers after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $75,045 net/year works out to $6,254/month or $2,886/bi-weekly for this Civil Engineers in Colorado — the numbers that actually hit a checking account after every deduction.
Where does a Civil Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Colorado ranks #19 out of 51 states for Civil Engineers after-tax take-home pay.
A Civil Engineers in Colorado earning a median salary of $101,420 will take home approximately $75,045 per year after federal income tax ($14,153), state income tax ($4,462), and FICA ($7,758). That is $6,253 per month or $2,886 per bi-weekly paycheck.
The effective total tax rate for a Civil Engineers in Colorado is 26.0%, broken down as: federal income tax 14.0%, Colorado state tax 4.4%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Colorado has a 4.4% flat rate. On a Civil Engineers's median salary of $101,420, the state income tax amounts to $4,462 per year, which is an effective state rate of 4.4%.
After all taxes, a Civil Engineers in Colorado takes home approximately $6,253 per month, or about $36.08 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 $101,420 for Civil Engineers 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 — $75,045/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