Last updated: 2025 BLS data · Page refreshed:
How much does a Teaching Assistants, Except Postsecondary actually take home in Iowa?
3.9% flat rate — 17.0% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Teaching Assistants, Except Postsecondary earning $30,510 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $30,510 | — |
| Federal Income Tax | -$1,677 | 5.5% |
| Iowa State Income Tax | -$1,189 | 3.9% |
| Social Security (OASDI) | -$1,891 | 6.2% |
| Medicare | -$442 | 1.5% |
| Total Taxes | -$5,201 | 17.0% |
| Take-Home Pay | $25,308 | 83.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Teaching Assistants, Except Postsecondary in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $22,400 | -$3,367 | $19,032 | 15.0% |
| 25th Percentile (P25) | $28,060 | -$4,624 | $23,435 | 16.5% |
| Median (P50) | $30,510 | -$5,201 | $25,308 | 17.0% |
| 75th Percentile (P75) | $35,530 | -$6,383 | $29,146 | 18.0% |
| 90th Percentile (P90) | $37,520 | -$6,851 | $30,668 | 18.3% |
After federal income tax ($1,677), state tax ($1,189), and FICA ($2,334), a Teaching Assistants, Except Postsecondary in Iowa takes home $25,308 per year — or $2,109 per month. The effective tax rate of 17.0% is relatively low compared to the national range.
A Teaching Assistants, Except Postsecondary in Iowa faces an effective total tax rate of only 17.0%, keeping 83.0% of every gross dollar. That leaves $25,309 net out of $30,510 gross — a favorable outcome compared to states with combined rates above 30%.
Iowa applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Teaching Assistants, Except Postsecondary salary that contributes $1,190 to the 3.9% effective state-tax burden.
Federal tax on this Teaching Assistants, Except Postsecondary salary is $1,677 (32%), but combined state ($1,190, 23%) + FICA ($2,334, 45%) make up the other 68% of the bill.
A Teaching Assistants, Except Postsecondary earning this gross in a no-income-tax state (e.g., Texas, Florida) would take home approximately $26,499 — only $1,190 (4.7%) more than in Iowa.
Iowa sits near the bottom (#39 of 51) for Teaching Assistants, Except Postsecondary after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $25,309 net/year works out to $2,109/month or $973/bi-weekly for this Teaching Assistants, Except Postsecondary in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a Teaching Assistants, Except Postsecondary keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #39 out of 51 states for Teaching Assistants, Except Postsecondary after-tax take-home pay.
A Teaching Assistants, Except Postsecondary in Iowa earning a median salary of $30,510 will take home approximately $25,308 per year after federal income tax ($1,677), state income tax ($1,189), and FICA ($2,334). That is $2,109 per month or $973 per bi-weekly paycheck.
The effective total tax rate for a Teaching Assistants, Except Postsecondary in Iowa is 17.0%, broken down as: federal income tax 5.5%, 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 Teaching Assistants, Except Postsecondary's median salary of $30,510, the state income tax amounts to $1,189 per year, which is an effective state rate of 3.9%.
After all taxes, a Teaching Assistants, Except Postsecondary in Iowa takes home approximately $2,109 per month, or about $12.17 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 $30,510 for Teaching Assistants, Except 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 — $25,308/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