2026 tax year · Iowa
Iowa self-employment tax calculator
A single freelancer in Iowa earning $75,000 should set aside about 24% of every payment — $1,500 a month — for self-employment, federal and Iowa income tax. Change the numbers below to see yours.
Set aside from every deposit
24%
≈ per year / per month
$18,000
$1,500/mo
Rule of thumb: for every $1,000 you earn, set aside $240.
An estimate for planning purposes, not tax advice or a filing. Uses 2026 federal brackets (Rev. Proc. 2025-32), self-employment tax with the §199A (QBI) deduction, and state-level rates (Tax Foundation, 2026). Married-filing-separately filers should use "Single" as the closest estimate. Local income taxes (e.g. NYC, Ohio municipal) aren't modeled and would owe more than shown.
How Iowa taxes self-employment income
Iowa uses a flat 3.8% income tax for 2026. Self-employment profit is taxed at that rate, so a freelancer netting $75,000 owes about $2,850 to Iowa — the 31st highest of the 50 states and DC at that income (median: $3,160).
What to set aside in Iowa at different incomes
Single filer, 2026 figures, no business deductions. Percentages are of gross income — the share to move aside from each deposit.
| Income | Self-employment | Federal | Iowa | Set aside |
|---|---|---|---|---|
| $40,000 | $5,652 | $1,775 | $1,520 | 22% · $733/mo |
| $75,000 | $10,597 | $4,898 | $2,850 | 24% · $1,500/mo |
| $120,000 | $16,955 | $11,506 | $4,560 | 28% · $2,800/mo |
Quarterly estimated tax deadlines
Nothing is withheld from 1099 income, so the IRS expects payments four times a year. The next one is due January 15, 2027. Most states with an income tax use similar dates — confirm Iowa's schedule with its revenue department.
| Due date | Covers income earned | Payment |
|---|---|---|
| Sep 1 – Dec 31, 2026 | 4th payment for 2026 | |
| Jan 1 – Mar 31, 2027 | 1st payment for 2027 — also the 2026 return deadline | |
| Apr 1 – May 31, 2027 | 2nd payment for 2027 | |
| Jun 1 – Aug 31, 2027 | 3rd payment for 2027 |
More on penalties, safe harbors and how to pay: quarterly estimated taxes guide.
Iowa vs. neighboring states
At $75,000, a freelancer in Iowa pays less state income tax than in Minnesota, Wisconsin, Illinois, Missouri and Nebraska. Single filer, 2026 figures:
Set-aside guides by platform
Frequently asked questions
How much should I set aside for taxes as a freelancer in Iowa?
For a single filer with $75,000 of 2026 self-employment income and no deductions, about 24% — roughly $1,500 a month. That covers $10,597 of self-employment tax, $4,898 of federal income tax and $2,850 of Iowa income tax. Your rate moves with your income, filing status and deductions, so use the calculator for your own numbers.
Does Iowa have a state income tax?
Yes. Iowa's 2026 individual income tax is flat 3.8% on all income. Self-employment profit is taxed as ordinary income under that schedule.
What is the self-employment tax rate in Iowa?
Self-employment tax is federal, so it's the same in Iowa as everywhere else: 15.3% (12.4% Social Security on earnings up to the 2026 wage base of $184,500, plus 2.9% Medicare) applied to 92.35% of your net profit. An extra 0.9% Medicare tax applies above $200,000 for single filers. You can deduct half of it when figuring federal income tax.
When are quarterly estimated taxes due?
The next federal estimated payment is due January 15, 2027, covering income from Sep 1 – Dec 31, 2026. The 2027 payments are due April 15, 2027, June 15, 2027, September 15, 2027.
Do I also make estimated payments to Iowa?
Usually, yes — if you'll owe Iowa income tax that isn't covered by withholding, the state generally expects quarterly estimated payments too. Most states follow the federal due dates, but thresholds and schedules vary, so confirm with Iowa's revenue department.
Fern does this math for you, every time you get paid
Fern knows Iowa's brackets. When you confirm a deposit, it tracks what to set aside for taxes and shows what's safe to spend.
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Not tax advice. Fern provides estimates for planning a savings target; it doesn't file returns or replace a tax professional. Figures use 2026 federal brackets and standard deduction (IRS Rev. Proc. 2025-32 as amended by OBBBA), 2026 self-employment tax with the §199A deduction, and 2026 state rates (Tax Foundation). State estimates apply Iowa's brackets to net profit without state deductions or credits; local income taxes other than Maryland's county tax aren't included.