Last updated: 2025 BLS data · Page refreshed:
How much does a First-Line Supervisors of Office and Administrative Support Workers actually take home in Iowa?
3.9% flat rate — 20.9% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a First-Line Supervisors of Office and Administrative Support Workers earning $64,400 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $64,400 | — |
| Federal Income Tax | -$6,009 | 9.3% |
| Iowa State Income Tax | -$2,511 | 3.9% |
| Social Security (OASDI) | -$3,992 | 6.2% |
| Medicare | -$933 | 1.4% |
| Total Taxes | -$13,447 | 20.9% |
| Take-Home Pay | $50,952 | 79.1% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of First-Line Supervisors of Office and Administrative Support Workers in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $43,680 | -$8,302 | $35,377 | 19.0% |
| 25th Percentile (P25) | $51,130 | -$10,057 | $41,072 | 19.7% |
| Median (P50) | $64,400 | -$13,447 | $50,952 | 20.9% |
| 75th Percentile (P75) | $80,130 | -$18,724 | $61,405 | 23.4% |
| 90th Percentile (P90) | $97,710 | -$24,622 | $73,087 | 25.2% |
After federal income tax ($6,009), state tax ($2,511), and FICA ($4,926), a First-Line Supervisors of Office and Administrative Support Workers in Iowa takes home $50,952 per year — or $4,246 per month. The effective tax rate of 20.9% is relatively low compared to the national range.
With an effective total rate of 20.9%, a First-Line Supervisors of Office and Administrative Support Workers in Iowa keeps $50,953 of $64,400 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 First-Line Supervisors of Office and Administrative Support Workers salary that contributes $2,512 to the 3.9% effective state-tax burden.
Federal tax on this First-Line Supervisors of Office and Administrative Support Workers salary is $6,009 (45%), but combined state ($2,512, 19%) + FICA ($4,927, 37%) make up the other 55% of the bill.
Moving this same First-Line Supervisors of Office and Administrative Support Workers salary to a zero-state-tax state would yield around $53,464 net — a gain of $2,512 (4.9%) per year versus Iowa.
Iowa ranks #33 of 51 states for First-Line Supervisors of Office and Administrative Support Workers 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, $50,953 net/year works out to $4,246/month or $1,960/bi-weekly for this First-Line Supervisors of Office and Administrative Support Workers in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a First-Line Supervisors of Office and Administrative Support Workers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #33 out of 51 states for First-Line Supervisors of Office and Administrative Support Workers after-tax take-home pay.
A First-Line Supervisors of Office and Administrative Support Workers in Iowa earning a median salary of $64,400 will take home approximately $50,952 per year after federal income tax ($6,009), state income tax ($2,511), and FICA ($4,926). That is $4,246 per month or $1,959 per bi-weekly paycheck.
The effective total tax rate for a First-Line Supervisors of Office and Administrative Support Workers in Iowa is 20.9%, broken down as: federal income tax 9.3%, Iowa state tax 3.9%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Iowa has a 3.9% flat rate. On a First-Line Supervisors of Office and Administrative Support Workers's median salary of $64,400, the state income tax amounts to $2,511 per year, which is an effective state rate of 3.9%.
After all taxes, a First-Line Supervisors of Office and Administrative Support Workers in Iowa takes home approximately $4,246 per month, or about $24.50 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 $64,400 for First-Line Supervisors of Office and Administrative Support Workers 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 — $50,952/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