Last updated: 2025 BLS data · Page refreshed:
How much does a Physics Teachers, Postsecondary actually take home in Iowa?
3.9% flat rate — 25.7% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Physics Teachers, Postsecondary earning $104,270 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $104,270 | — |
| Federal Income Tax | -$14,780 | 14.2% |
| Iowa State Income Tax | -$4,066 | 3.9% |
| Social Security (OASDI) | -$6,464 | 6.2% |
| Medicare | -$1,511 | 1.4% |
| Total Taxes | -$26,823 | 25.7% |
| Take-Home Pay | $77,446 | 74.3% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Physics Teachers, Postsecondary in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $66,490 | -$14,148 | $52,341 | 21.3% |
| 25th Percentile (P25) | $77,680 | -$17,902 | $59,777 | 23.0% |
| Median (P50) | $104,270 | -$26,823 | $77,446 | 25.7% |
| 75th Percentile (P75) | $127,640 | -$34,914 | $92,725 | 27.4% |
| 90th Percentile (P90) | $222,150 | -$66,640 | $155,509 | 30.0% |
After federal income tax ($14,780), state tax ($4,066), and FICA ($7,976), a Physics Teachers, Postsecondary in Iowa takes home $77,446 per year — or $6,453 per month. The effective tax rate of 25.7% is moderate compared to the national range.
With an effective total rate of 25.7%, a Physics Teachers, Postsecondary in Iowa keeps $77,446 of $104,270 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 Physics Teachers, Postsecondary salary that contributes $4,067 to the 3.9% effective state-tax burden.
Federal income tax ($14,780) accounts for 55% of the total tax bill — the single largest deduction. FICA adds $7,977 (30%), and state tax the remaining $4,067 (15%).
Moving this same Physics Teachers, Postsecondary salary to a zero-state-tax state would yield around $81,513 net — a gain of $4,067 (5.3%) per year versus Iowa.
For Physics Teachers, Postsecondary after-tax pay, Iowa ranks #11 of 47 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $77,446 net/year works out to $6,454/month or $2,979/bi-weekly for this Physics Teachers, Postsecondary in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a Physics Teachers, Postsecondary keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #11 out of 47 states for Physics Teachers, Postsecondary after-tax take-home pay.
A Physics Teachers, Postsecondary in Iowa earning a median salary of $104,270 will take home approximately $77,446 per year after federal income tax ($14,780), state income tax ($4,066), and FICA ($7,976). That is $6,453 per month or $2,978 per bi-weekly paycheck.
The effective total tax rate for a Physics Teachers, Postsecondary in Iowa is 25.7%, broken down as: federal income tax 14.2%, 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 Physics Teachers, Postsecondary's median salary of $104,270, the state income tax amounts to $4,066 per year, which is an effective state rate of 3.9%.
After all taxes, a Physics Teachers, Postsecondary in Iowa takes home approximately $6,453 per month, or about $37.23 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 $104,270 for Physics Teachers, Postsecondary 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 — $77,446/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