Last updated: 2025 BLS data · Page refreshed:
How much does a Probation Officers and Correctional Treatment Specialists actually take home in Iowa?
3.9% flat rate — 23.0% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Probation Officers and Correctional Treatment Specialists earning $77,390 in Iowa (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $77,390 | — |
| Federal Income Tax | -$8,866 | 11.5% |
| Iowa State Income Tax | -$3,018 | 3.9% |
| Social Security (OASDI) | -$4,798 | 6.2% |
| Medicare | -$1,122 | 1.4% |
| Total Taxes | -$17,805 | 23.0% |
| Take-Home Pay | $59,584 | 77.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Probation Officers and Correctional Treatment Specialists in Iowa.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $57,410 | -$11,536 | $45,873 | 20.1% |
| 25th Percentile (P25) | $62,070 | -$12,665 | $49,404 | 20.4% |
| Median (P50) | $77,390 | -$17,805 | $59,584 | 23.0% |
| 75th Percentile (P75) | $83,250 | -$19,771 | $63,478 | 23.7% |
| 90th Percentile (P90) | $94,810 | -$23,649 | $71,160 | 24.9% |
After federal income tax ($8,866), state tax ($3,018), and FICA ($5,920), a Probation Officers and Correctional Treatment Specialists in Iowa takes home $59,584 per year — or $4,965 per month. The effective tax rate of 23.0% is relatively low compared to the national range.
With an effective total rate of 23.0%, a Probation Officers and Correctional Treatment Specialists in Iowa keeps $59,585 of $77,390 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 Probation Officers and Correctional Treatment Specialists salary that contributes $3,018 to the 3.9% effective state-tax burden.
Federal tax on this Probation Officers and Correctional Treatment Specialists salary is $8,867 (50%), but combined state ($3,018, 17%) + FICA ($5,920, 33%) make up the other 50% of the bill.
Moving this same Probation Officers and Correctional Treatment Specialists salary to a zero-state-tax state would yield around $62,603 net — a gain of $3,018 (5.1%) per year versus Iowa.
Iowa ranks #14 of 46 states for Probation Officers and Correctional Treatment Specialists after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $59,585 net/year works out to $4,965/month or $2,292/bi-weekly for this Probation Officers and Correctional Treatment Specialists in Iowa — the numbers that actually hit a checking account after every deduction.
Where does a Probation Officers and Correctional Treatment Specialists keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Iowa ranks #14 out of 46 states for Probation Officers and Correctional Treatment Specialists after-tax take-home pay.
A Probation Officers and Correctional Treatment Specialists in Iowa earning a median salary of $77,390 will take home approximately $59,584 per year after federal income tax ($8,866), state income tax ($3,018), and FICA ($5,920). That is $4,965 per month or $2,291 per bi-weekly paycheck.
The effective total tax rate for a Probation Officers and Correctional Treatment Specialists in Iowa is 23.0%, broken down as: federal income tax 11.5%, 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 Probation Officers and Correctional Treatment Specialists's median salary of $77,390, the state income tax amounts to $3,018 per year, which is an effective state rate of 3.9%.
After all taxes, a Probation Officers and Correctional Treatment Specialists in Iowa takes home approximately $4,965 per month, or about $28.65 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 $77,390 for Probation Officers and Correctional Treatment Specialists 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 — $59,584/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