Last updated: 2025 BLS data · Page refreshed:
How much does a Biological Science Teachers, Postsecondary actually take home in Iowa?
3.9% flat rate — 23.1% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Biological Science Teachers, Postsecondary earning $78,060 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $78,060 | — |
| Federal Income Tax | -$9,014 | 11.5% |
| Iowa State Income Tax | -$3,044 | 3.9% |
| Social Security (OASDI) | -$4,839 | 6.2% |
| Medicare | -$1,131 | 1.4% |
| Total Taxes | -$18,030 | 23.1% |
| Take-Home Pay | $60,029 | 76.9% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Biological Science Teachers, Postsecondary in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $59,130 | -$11,941 | $47,188 | 20.2% |
| 25th Percentile (P25) | $63,810 | -$13,249 | $50,560 | 20.8% |
| Median (P50) | $78,060 | -$18,030 | $60,029 | 23.1% |
| 75th Percentile (P75) | $103,960 | -$26,719 | $77,240 | 25.7% |
| 90th Percentile (P90) | $167,300 | -$49,013 | $118,286 | 29.3% |
After federal income tax ($9,014), state tax ($3,044), and FICA ($5,971), a Biological Science Teachers, Postsecondary in Iowa takes home $60,029 per year — or $5,002 per month. The effective tax rate of 23.1% is relatively low compared to the national range.
With an effective total rate of 23.1%, a Biological Science Teachers, Postsecondary in Iowa keeps $60,030 of $78,060 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 Biological Science Teachers, Postsecondary salary that contributes $3,044 to the 3.9% effective state-tax burden.
Federal tax on this Biological Science Teachers, Postsecondary salary is $9,014 (50%), but combined state ($3,044, 17%) + FICA ($5,972, 33%) make up the other 50% of the bill.
Moving this same Biological Science Teachers, Postsecondary salary to a zero-state-tax state would yield around $63,074 net — a gain of $3,044 (5.1%) per year versus Iowa.
Iowa sits near the bottom (#39 of 49) for Biological Science Teachers, Postsecondary after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $60,030 net/year works out to $5,002/month or $2,309/bi-weekly for this Biological Science Teachers, Postsecondary in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a Biological Science Teachers, Postsecondary keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #39 out of 49 states for Biological Science Teachers, Postsecondary after-tax take-home pay.
A Biological Science Teachers, Postsecondary in Iowa earning a median salary of $78,060 will take home approximately $60,029 per year after federal income tax ($9,014), state income tax ($3,044), and FICA ($5,971). That is $5,002 per month or $2,308 per bi-weekly paycheck.
The effective total tax rate for a Biological Science Teachers, Postsecondary in Iowa is 23.1%, broken down as: federal income tax 11.5%, 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 Biological Science Teachers, Postsecondary's median salary of $78,060, the state income tax amounts to $3,044 per year, which is an effective state rate of 3.9%.
After all taxes, a Biological Science Teachers, Postsecondary in Iowa takes home approximately $5,002 per month, or about $28.86 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 $78,060 for Biological Science 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 — $60,029/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