Last updated: 2025 BLS data · Page refreshed:
How much does a Civil Engineers actually take home in Delaware?
Progressive (up to 6.6%) — 27.1% 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 $100,220 in Delaware (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $100,220 | — |
| Federal Income Tax | -$13,889 | 13.9% |
| Delaware State Income Tax | -$5,598 | 5.6% |
| Social Security (OASDI) | -$6,213 | 6.2% |
| Medicare | -$1,453 | 1.5% |
| Total Taxes | -$27,154 | 27.1% |
| Take-Home Pay | $73,065 | 72.9% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Civil Engineers in Delaware.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $74,560 | -$17,852 | $56,707 | 23.9% |
| 25th Percentile (P25) | $81,470 | -$20,357 | $61,112 | 25.0% |
| Median (P50) | $100,220 | -$27,154 | $73,065 | 27.1% |
| 75th Percentile (P75) | $126,810 | -$37,026 | $89,783 | 29.2% |
| 90th Percentile (P90) | $153,100 | -$47,082 | $106,017 | 30.8% |
After federal income tax ($13,889), state tax ($5,598), and FICA ($7,666), a Civil Engineers in Delaware takes home $73,065 per year — or $6,088 per month. The effective tax rate of 27.1% is moderate compared to the national range.
A Civil Engineers in Delaware loses 27.1% of gross pay to taxes — higher than the ~25% national midpoint. Of the $100,220 gross, $73,066 lands in the paycheck after federal ($13,889), state ($5,598), and FICA ($7,667) withholding.
Delaware uses a progressive state income tax, so brackets escalate as wages rise. For this Civil Engineers salary the state tax works out to $5,598 (5.6% effective) — on top of federal and FICA.
Federal tax on this Civil Engineers salary is $13,889 (51%), but combined state ($5,598, 21%) + FICA ($7,667, 28%) make up the other 49% of the bill.
Moving this same Civil Engineers salary to a zero-state-tax state would yield around $78,664 net — a gain of $5,598 (7.7%) per year versus Delaware.
Delaware ranks #32 of 51 states for Civil Engineers 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, $73,066 net/year works out to $6,089/month or $2,810/bi-weekly for this Civil Engineers in Delaware — 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.
Delaware ranks #32 out of 51 states for Civil Engineers after-tax take-home pay.
A Civil Engineers in Delaware earning a median salary of $100,220 will take home approximately $73,065 per year after federal income tax ($13,889), state income tax ($5,598), and FICA ($7,666). That is $6,088 per month or $2,810 per bi-weekly paycheck.
The effective total tax rate for a Civil Engineers in Delaware is 27.1%, broken down as: federal income tax 13.9%, Delaware state tax 5.6%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Delaware has a progressive (up to 6.6%). On a Civil Engineers's median salary of $100,220, the state income tax amounts to $5,598 per year, which is an effective state rate of 5.6%.
After all taxes, a Civil Engineers in Delaware takes home approximately $6,088 per month, or about $35.13 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 $100,220 for Civil Engineers in Delaware, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Delaware state income tax (progressive (up to 6.6%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $73,065/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