Last updated: 2025 BLS data · Page refreshed:
How much does a Environmental Engineers actually take home in Montana?
Progressive (up to 5.9%) — 27.2% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Environmental Engineers earning $100,140 in Montana (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $100,140 | — |
| Federal Income Tax | -$13,871 | 13.9% |
| Montana State Income Tax | -$5,662 | 5.7% |
| Social Security (OASDI) | -$6,208 | 6.2% |
| Medicare | -$1,452 | 1.4% |
| Total Taxes | -$27,194 | 27.2% |
| Take-Home Pay | $72,945 | 72.8% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Environmental Engineers in Montana.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $63,920 | -$14,318 | $49,601 | 22.4% |
| 25th Percentile (P25) | $81,100 | -$20,426 | $60,673 | 25.2% |
| Median (P50) | $100,140 | -$27,194 | $72,945 | 27.2% |
| 75th Percentile (P75) | $126,000 | -$36,605 | $89,394 | 29.1% |
| 90th Percentile (P90) | $154,530 | -$47,318 | $107,211 | 30.6% |
After federal income tax ($13,871), state tax ($5,662), and FICA ($7,660), a Environmental Engineers in Montana takes home $72,945 per year — or $6,078 per month. The effective tax rate of 27.2% is moderate compared to the national range.
A Environmental Engineers in Montana loses 27.2% of gross pay to taxes — higher than the ~25% national midpoint. Of the $100,140 gross, $72,945 lands in the paycheck after federal ($13,872), state ($5,662), and FICA ($7,661) withholding.
Montana uses a progressive state income tax, so brackets escalate as wages rise. For this Environmental Engineers salary the state tax works out to $5,662 (5.7% effective) — on top of federal and FICA.
Federal tax on this Environmental Engineers salary is $13,872 (51%), but combined state ($5,662, 21%) + FICA ($7,661, 28%) make up the other 49% of the bill.
Moving this same Environmental Engineers salary to a zero-state-tax state would yield around $78,607 net — a gain of $5,662 (7.8%) per year versus Montana.
Montana ranks #32 of 50 states for Environmental 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, $72,945 net/year works out to $6,079/month or $2,806/bi-weekly for this Environmental Engineers in Montana — the numbers that actually hit a checking account after every deduction.
Where does a Environmental Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Montana ranks #32 out of 50 states for Environmental Engineers after-tax take-home pay.
A Environmental Engineers in Montana earning a median salary of $100,140 will take home approximately $72,945 per year after federal income tax ($13,871), state income tax ($5,662), and FICA ($7,660). That is $6,078 per month or $2,805 per bi-weekly paycheck.
The effective total tax rate for a Environmental Engineers in Montana is 27.2%, broken down as: federal income tax 13.9%, Montana state tax 5.7%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Montana has a progressive (up to 5.9%). On a Environmental Engineers's median salary of $100,140, the state income tax amounts to $5,662 per year, which is an effective state rate of 5.7%.
After all taxes, a Environmental Engineers in Montana takes home approximately $6,078 per month, or about $35.07 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 $100,140 for Environmental Engineers in Montana, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Montana state income tax (progressive (up to 5.9%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $72,945/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