Last updated: 2025 BLS data · Page refreshed:
How much does a Petroleum Engineers actually take home in Louisiana?
Progressive (up to 4.2%) — 28.0% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Petroleum Engineers earning $139,640 in Louisiana (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $139,640 | — |
| Federal Income Tax | -$23,052 | 16.5% |
| Louisiana State Income Tax | -$5,353 | 3.8% |
| Social Security (OASDI) | -$8,657 | 6.2% |
| Medicare | -$2,024 | 1.4% |
| Total Taxes | -$39,088 | 28.0% |
| Take-Home Pay | $100,551 | 72.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Petroleum Engineers in Louisiana.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $43,440 | -$7,866 | $35,573 | 18.1% |
| 25th Percentile (P25) | $89,880 | -$21,729 | $68,150 | 24.2% |
| Median (P50) | $139,640 | -$39,088 | $100,551 | 28.0% |
| 75th Percentile (P75) | $178,810 | -$52,517 | $126,292 | 29.4% |
| 90th Percentile (P90) | $221,800 | -$66,701 | $155,098 | 30.1% |
After federal income tax ($23,052), state tax ($5,353), and FICA ($10,682), a Petroleum Engineers in Louisiana takes home $100,551 per year — or $8,379 per month. The effective tax rate of 28.0% is moderate compared to the national range.
A Petroleum Engineers in Louisiana loses 28.0% of gross pay to taxes — higher than the ~25% national midpoint. Of the $139,640 gross, $100,552 lands in the paycheck after federal ($23,052), state ($5,353), and FICA ($10,682) withholding.
Louisiana uses a progressive state income tax, so brackets escalate as wages rise. For this Petroleum Engineers salary the state tax works out to $5,353 (3.8% effective) — on top of federal and FICA.
Federal income tax ($23,052) accounts for 59% of the total tax bill — the single largest deduction. FICA adds $10,682 (27%), and state tax the remaining $5,353 (14%).
Moving this same Petroleum Engineers salary to a zero-state-tax state would yield around $105,905 net — a gain of $5,353 (5.3%) per year versus Louisiana.
Louisiana ranks #7 of 16 states for Petroleum Engineers after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $100,552 net/year works out to $8,379/month or $3,867/bi-weekly for this Petroleum Engineers in Louisiana — the numbers that actually hit a checking account after every deduction.
Where does a Petroleum Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Louisiana ranks #7 out of 16 states for Petroleum Engineers after-tax take-home pay.
A Petroleum Engineers in Louisiana earning a median salary of $139,640 will take home approximately $100,551 per year after federal income tax ($23,052), state income tax ($5,353), and FICA ($10,682). That is $8,379 per month or $3,867 per bi-weekly paycheck.
The effective total tax rate for a Petroleum Engineers in Louisiana is 28.0%, broken down as: federal income tax 16.5%, Louisiana state tax 3.8%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Louisiana has a progressive (up to 4.2%). On a Petroleum Engineers's median salary of $139,640, the state income tax amounts to $5,353 per year, which is an effective state rate of 3.8%.
After all taxes, a Petroleum Engineers in Louisiana takes home approximately $8,379 per month, or about $48.34 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 $139,640 for Petroleum Engineers in Louisiana, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Louisiana state income tax (progressive (up to 4.2%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $100,551/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