Last updated: 2025 BLS data · Page refreshed:
How much does a Stationary Engineers and Boiler Operators actually take home in Iowa?
3.9% 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 Stationary Engineers and Boiler Operators earning $67,450 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $67,450 | — |
| Federal Income Tax | -$6,680 | 9.9% |
| Iowa State Income Tax | -$2,630 | 3.9% |
| Social Security (OASDI) | -$4,181 | 6.2% |
| Medicare | -$978 | 1.5% |
| Total Taxes | -$14,470 | 21.5% |
| Take-Home Pay | $52,979 | 78.5% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Stationary Engineers and Boiler Operators in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $49,760 | -$9,734 | $40,025 | 19.6% |
| 25th Percentile (P25) | $60,610 | -$12,289 | $48,320 | 20.3% |
| Median (P50) | $67,450 | -$14,470 | $52,979 | 21.5% |
| 75th Percentile (P75) | $73,280 | -$16,426 | $56,853 | 22.4% |
| 90th Percentile (P90) | $76,380 | -$17,466 | $58,913 | 22.9% |
After federal income tax ($6,680), state tax ($2,630), and FICA ($5,159), a Stationary Engineers and Boiler Operators in Iowa takes home $52,979 per year — or $4,414 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 Stationary Engineers and Boiler Operators in Iowa keeps $52,980 of $67,450 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Iowa applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Stationary Engineers and Boiler Operators salary that contributes $2,631 to the 3.9% effective state-tax burden.
Federal tax on this Stationary Engineers and Boiler Operators salary is $6,680 (46%), but combined state ($2,631, 18%) + FICA ($5,160, 36%) make up the other 54% of the bill.
Moving this same Stationary Engineers and Boiler Operators salary to a zero-state-tax state would yield around $55,610 net — a gain of $2,631 (5.0%) per year versus Iowa.
Iowa ranks #36 of 51 states for Stationary Engineers and Boiler Operators 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, $52,980 net/year works out to $4,415/month or $2,038/bi-weekly for this Stationary Engineers and Boiler Operators in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a Stationary Engineers and Boiler Operators keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #36 out of 51 states for Stationary Engineers and Boiler Operators after-tax take-home pay.
A Stationary Engineers and Boiler Operators in Iowa earning a median salary of $67,450 will take home approximately $52,979 per year after federal income tax ($6,680), state income tax ($2,630), and FICA ($5,159). That is $4,414 per month or $2,037 per bi-weekly paycheck.
The effective total tax rate for a Stationary Engineers and Boiler Operators in Iowa is 21.5%, broken down as: federal income tax 9.9%, Iowa state tax 3.9%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Iowa has a 3.9% flat rate. On a Stationary Engineers and Boiler Operators's median salary of $67,450, the state income tax amounts to $2,630 per year, which is an effective state rate of 3.9%.
After all taxes, a Stationary Engineers and Boiler Operators in Iowa takes home approximately $4,414 per month, or about $25.47 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 $67,450 for Stationary Engineers and Boiler Operators in Iowa, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Iowa state income tax (3.9% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $52,979/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